diff --git a/package-lock.json b/package-lock.json
index 532bb98..9546a89 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -25,7 +25,7 @@
         "prettier": "^2.3.0",
         "rollup": "^2.50.2",
         "rollup-plugin-terser": "^7.0.2",
-        "serve": "^11.3.2",
+        "serve": "^12.0.0",
         "typescript": "^4.3.2"
       }
     },
@@ -525,14 +525,19 @@
       }
     },
     "node_modules/ajv": {
-      "version": "6.5.3",
+      "version": "6.12.6",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
+      "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
       "dev": true,
-      "license": "MIT",
       "dependencies": {
-        "fast-deep-equal": "^2.0.1",
+        "fast-deep-equal": "^3.1.1",
         "fast-json-stable-stringify": "^2.0.0",
         "json-schema-traverse": "^0.4.1",
         "uri-js": "^4.2.2"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/epoberezkin"
       }
     },
     "node_modules/ansi-align": {
@@ -564,6 +569,8 @@
     },
     "node_modules/arch": {
       "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/arch/-/arch-2.2.0.tgz",
+      "integrity": "sha512-Of/R0wqp83cgHozfIYLbBMnej79U/SVGOOyuB3VVFv1NRM/PSFMK12x9KVtiYzJqmnU5WR2qp0Z5rHb7sWGnFQ==",
       "dev": true,
       "funding": [
         {
@@ -578,8 +585,7 @@
           "type": "consulting",
           "url": "https://feross.org/support"
         }
-      ],
-      "license": "MIT"
+      ]
     },
     "node_modules/arg": {
       "version": "2.0.0",
@@ -675,15 +681,17 @@
       }
     },
     "node_modules/clipboardy": {
-      "version": "1.2.3",
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/clipboardy/-/clipboardy-2.3.0.tgz",
+      "integrity": "sha512-mKhiIL2DrQIsuXMgBgnfEHOZOryC7kY7YO//TN6c63wlEm3NG5tz+YgY5rVi29KCmq/QQjKYvM7a19+MDOTHOQ==",
       "dev": true,
-      "license": "MIT",
       "dependencies": {
-        "arch": "^2.1.0",
-        "execa": "^0.8.0"
+        "arch": "^2.1.1",
+        "execa": "^1.0.0",
+        "is-wsl": "^2.1.1"
       },
       "engines": {
-        "node": ">=4"
+        "node": ">=8"
       }
     },
     "node_modules/color-convert": {
@@ -784,6 +792,15 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/end-of-stream": {
+      "version": "1.4.4",
+      "resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.4.tgz",
+      "integrity": "sha512-+uw1inIHVPQoaVuHzRyXd21icM+cnt4CzD5rW+NC1wjOUSTOs+Te7FOv7AhN7vS9x/oIyhLP5PR1H+phQAHu5Q==",
+      "dev": true,
+      "dependencies": {
+        "once": "^1.4.0"
+      }
+    },
     "node_modules/escape-string-regexp": {
       "version": "1.0.5",
       "dev": true,
@@ -806,12 +823,13 @@
       "license": "MIT"
     },
     "node_modules/execa": {
-      "version": "0.8.0",
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/execa/-/execa-1.0.0.tgz",
+      "integrity": "sha512-adbxcyWV46qiHyvSp50TKt05tB4tK3HcmF7/nxfAdhnox83seTDbwnaqKO4sXRy7roHAIFqJP/Rw/AuEbX61LA==",
       "dev": true,
-      "license": "MIT",
       "dependencies": {
-        "cross-spawn": "^5.0.1",
-        "get-stream": "^3.0.0",
+        "cross-spawn": "^6.0.0",
+        "get-stream": "^4.0.0",
         "is-stream": "^1.1.0",
         "npm-run-path": "^2.0.0",
         "p-finally": "^1.0.0",
@@ -819,18 +837,48 @@
         "strip-eof": "^1.0.0"
       },
       "engines": {
-        "node": ">=4"
+        "node": ">=6"
+      }
+    },
+    "node_modules/execa/node_modules/cross-spawn": {
+      "version": "6.0.5",
+      "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
+      "integrity": "sha512-eTVLrBSt7fjbDygz805pMnstIs2VTBNkRm0qxZd+M7A5XDdxVRWO5MxGBXZhjY4cqLYLdtrGqRf8mBPmzwSpWQ==",
+      "dev": true,
+      "dependencies": {
+        "nice-try": "^1.0.4",
+        "path-key": "^2.0.1",
+        "semver": "^5.5.0",
+        "shebang-command": "^1.2.0",
+        "which": "^1.2.9"
+      },
+      "engines": {
+        "node": ">=4.8"
+      }
+    },
+    "node_modules/execa/node_modules/get-stream": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-4.1.0.tgz",
+      "integrity": "sha512-GMat4EJ5161kIy2HevLlr4luNjBgvmj413KaQA7jt4V8B4RDsfpHk7WQ9GVqfYyyx8OS/L66Kox+rJRNklLK7w==",
+      "dev": true,
+      "dependencies": {
+        "pump": "^3.0.0"
+      },
+      "engines": {
+        "node": ">=6"
       }
     },
     "node_modules/fast-deep-equal": {
-      "version": "2.0.1",
-      "dev": true,
-      "license": "MIT"
+      "version": "3.1.3",
+      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
+      "integrity": "sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==",
+      "dev": true
     },
     "node_modules/fast-json-stable-stringify": {
       "version": "2.1.0",
-      "dev": true,
-      "license": "MIT"
+      "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz",
+      "integrity": "sha512-lhd/wF+Lk98HZoTCtlVraHtfh5XYijIjalXck7saUtuanSDyLMxnHhSXEDJqHxD7msR8D0uCmqlkwjCV8xvwHw==",
+      "dev": true
     },
     "node_modules/fast-url-parser": {
       "version": "1.1.3",
@@ -900,6 +948,21 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/is-docker": {
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/is-docker/-/is-docker-2.2.1.tgz",
+      "integrity": "sha512-F+i2BKsFrH66iaUFc0woD8sLy8getkwTwtOBjvs56Cx4CgJDeKQeqfz8wAYiSb8JOprWhHH5p77PbmYCvvUuXQ==",
+      "dev": true,
+      "bin": {
+        "is-docker": "cli.js"
+      },
+      "engines": {
+        "node": ">=8"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/is-fullwidth-code-point": {
       "version": "2.0.0",
       "dev": true,
@@ -921,6 +984,18 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/is-wsl": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/is-wsl/-/is-wsl-2.2.0.tgz",
+      "integrity": "sha512-fKzAra0rGJUUBwGBgNkHZuToZcn+TtXHpeCgmkMJMMYx1sQDYaCSyjJBSCa2nH1DGm7s3n1oBnohoVTBaN7Lww==",
+      "dev": true,
+      "dependencies": {
+        "is-docker": "^2.0.0"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/isexe": {
       "version": "2.0.0",
       "dev": true,
@@ -965,8 +1040,9 @@
     },
     "node_modules/json-schema-traverse": {
       "version": "0.4.1",
-      "dev": true,
-      "license": "MIT"
+      "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz",
+      "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg==",
+      "dev": true
     },
     "node_modules/lit": {
       "version": "2.0.0-rc.2",
@@ -1073,6 +1149,12 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/nice-try": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/nice-try/-/nice-try-1.0.5.tgz",
+      "integrity": "sha512-1nh45deeb5olNY7eX82BkPO7SSxR5SSYJiPTrTdFUVYwAl8CKMA5N9PjTYkHiRjisVcxcQ1HXdLhx2qxxJzLNQ==",
+      "dev": true
+    },
     "node_modules/npm-run-path": {
       "version": "2.0.2",
       "dev": true,
@@ -1092,6 +1174,15 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/once": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
+      "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
+      "dev": true,
+      "dependencies": {
+        "wrappy": "1"
+      }
+    },
     "node_modules/p-finally": {
       "version": "1.0.0",
       "dev": true,
@@ -1151,6 +1242,16 @@
       "dev": true,
       "license": "ISC"
     },
+    "node_modules/pump": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/pump/-/pump-3.0.0.tgz",
+      "integrity": "sha512-LwZy+p3SFs1Pytd/jYct4wpv49HiYCqd9Rlc5ZVdk0V+8Yzv6jR5Blk3TRmPL1ft69TxP0IMZGJ+WPFU2BFhww==",
+      "dev": true,
+      "dependencies": {
+        "end-of-stream": "^1.1.0",
+        "once": "^1.3.1"
+      }
+    },
     "node_modules/punycode": {
       "version": "1.4.1",
       "dev": true,
@@ -1266,6 +1367,15 @@
       ],
       "license": "MIT"
     },
+    "node_modules/semver": {
+      "version": "5.7.1",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
+      "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
+      "dev": true,
+      "bin": {
+        "semver": "bin/semver"
+      }
+    },
     "node_modules/serialize-javascript": {
       "version": "4.0.0",
       "dev": true,
@@ -1275,16 +1385,17 @@
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     },
     "node_modules/serve": {
-      "version": "11.3.2",
+      "version": "12.0.0",
+      "resolved": "https://registry.npmjs.org/serve/-/serve-12.0.0.tgz",
+      "integrity": "sha512-BkTsETQYynAZ7rXX414kg4X6EvuZQS3UVs1NY0VQYdRHSTYWPYcH38nnDh48D0x6ONuislgjag8uKlU2gTBImA==",
       "dev": true,
-      "license": "MIT",
       "dependencies": {
         "@zeit/schemas": "2.6.0",
-        "ajv": "6.5.3",
+        "ajv": "6.12.6",
         "arg": "2.0.0",
         "boxen": "1.3.0",
         "chalk": "2.4.1",
-        "clipboardy": "1.2.3",
+        "clipboardy": "2.3.0",
         "compression": "1.7.3",
         "serve-handler": "6.1.3",
         "update-check": "1.5.2"
@@ -1492,16 +1603,18 @@
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     "node_modules/uri-js": {
       "version": "4.4.1",
+      "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.1.tgz",
+      "integrity": "sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==",
       "dev": true,
-      "license": "BSD-2-Clause",
       "dependencies": {
         "punycode": "^2.1.0"
       }
     },
     "node_modules/uri-js/node_modules/punycode": {
       "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
+      "integrity": "sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A==",
       "dev": true,
-      "license": "MIT",
       "engines": {
         "node": ">=6"
       }
@@ -1539,6 +1652,12 @@
         "node": ">=4"
       }
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+    "node_modules/wrappy": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+      "dev": true
+    },
     "node_modules/yallist": {
       "version": "2.1.2",
       "dev": true,
@@ -1967,10 +2086,12 @@
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     "ajv": {
-      "version": "6.5.3",
+      "version": "6.12.6",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
+      "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
       "dev": true,
       "requires": {
-        "fast-deep-equal": "^2.0.1",
+        "fast-deep-equal": "^3.1.1",
         "fast-json-stable-stringify": "^2.0.0",
         "json-schema-traverse": "^0.4.1",
         "uri-js": "^4.2.2"
@@ -1996,6 +2117,8 @@
     },
     "arch": {
       "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/arch/-/arch-2.2.0.tgz",
+      "integrity": "sha512-Of/R0wqp83cgHozfIYLbBMnej79U/SVGOOyuB3VVFv1NRM/PSFMK12x9KVtiYzJqmnU5WR2qp0Z5rHb7sWGnFQ==",
       "dev": true
     },
     "arg": {
@@ -2060,11 +2183,14 @@
       "dev": true
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     "clipboardy": {
-      "version": "1.2.3",
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/clipboardy/-/clipboardy-2.3.0.tgz",
+      "integrity": "sha512-mKhiIL2DrQIsuXMgBgnfEHOZOryC7kY7YO//TN6c63wlEm3NG5tz+YgY5rVi29KCmq/QQjKYvM7a19+MDOTHOQ==",
       "dev": true,
       "requires": {
-        "arch": "^2.1.0",
-        "execa": "^0.8.0"
+        "arch": "^2.1.1",
+        "execa": "^1.0.0",
+        "is-wsl": "^2.1.1"
       }
     },
     "color-convert": {
@@ -2140,6 +2266,15 @@
       "version": "4.2.2",
       "dev": true
     },
+    "end-of-stream": {
+      "version": "1.4.4",
+      "resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.4.tgz",
+      "integrity": "sha512-+uw1inIHVPQoaVuHzRyXd21icM+cnt4CzD5rW+NC1wjOUSTOs+Te7FOv7AhN7vS9x/oIyhLP5PR1H+phQAHu5Q==",
+      "dev": true,
+      "requires": {
+        "once": "^1.4.0"
+      }
+    },
     "escape-string-regexp": {
       "version": "1.0.5",
       "dev": true
@@ -2157,24 +2292,54 @@
       "dev": true
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     "execa": {
-      "version": "0.8.0",
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/execa/-/execa-1.0.0.tgz",
+      "integrity": "sha512-adbxcyWV46qiHyvSp50TKt05tB4tK3HcmF7/nxfAdhnox83seTDbwnaqKO4sXRy7roHAIFqJP/Rw/AuEbX61LA==",
       "dev": true,
       "requires": {
-        "cross-spawn": "^5.0.1",
-        "get-stream": "^3.0.0",
+        "cross-spawn": "^6.0.0",
+        "get-stream": "^4.0.0",
         "is-stream": "^1.1.0",
         "npm-run-path": "^2.0.0",
         "p-finally": "^1.0.0",
         "signal-exit": "^3.0.0",
         "strip-eof": "^1.0.0"
+      },
+      "dependencies": {
+        "cross-spawn": {
+          "version": "6.0.5",
+          "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
+          "integrity": "sha512-eTVLrBSt7fjbDygz805pMnstIs2VTBNkRm0qxZd+M7A5XDdxVRWO5MxGBXZhjY4cqLYLdtrGqRf8mBPmzwSpWQ==",
+          "dev": true,
+          "requires": {
+            "nice-try": "^1.0.4",
+            "path-key": "^2.0.1",
+            "semver": "^5.5.0",
+            "shebang-command": "^1.2.0",
+            "which": "^1.2.9"
+          }
+        },
+        "get-stream": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-4.1.0.tgz",
+          "integrity": "sha512-GMat4EJ5161kIy2HevLlr4luNjBgvmj413KaQA7jt4V8B4RDsfpHk7WQ9GVqfYyyx8OS/L66Kox+rJRNklLK7w==",
+          "dev": true,
+          "requires": {
+            "pump": "^3.0.0"
+          }
+        }
       }
     },
     "fast-deep-equal": {
-      "version": "2.0.1",
+      "version": "3.1.3",
+      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
+      "integrity": "sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==",
       "dev": true
     },
     "fast-json-stable-stringify": {
       "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz",
+      "integrity": "sha512-lhd/wF+Lk98HZoTCtlVraHtfh5XYijIjalXck7saUtuanSDyLMxnHhSXEDJqHxD7msR8D0uCmqlkwjCV8xvwHw==",
       "dev": true
     },
     "fast-url-parser": {
@@ -2219,6 +2384,12 @@
         "has": "^1.0.3"
       }
     },
+    "is-docker": {
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/is-docker/-/is-docker-2.2.1.tgz",
+      "integrity": "sha512-F+i2BKsFrH66iaUFc0woD8sLy8getkwTwtOBjvs56Cx4CgJDeKQeqfz8wAYiSb8JOprWhHH5p77PbmYCvvUuXQ==",
+      "dev": true
+    },
     "is-fullwidth-code-point": {
       "version": "2.0.0",
       "dev": true
@@ -2231,6 +2402,15 @@
       "version": "1.1.0",
       "dev": true
     },
+    "is-wsl": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/is-wsl/-/is-wsl-2.2.0.tgz",
+      "integrity": "sha512-fKzAra0rGJUUBwGBgNkHZuToZcn+TtXHpeCgmkMJMMYx1sQDYaCSyjJBSCa2nH1DGm7s3n1oBnohoVTBaN7Lww==",
+      "dev": true,
+      "requires": {
+        "is-docker": "^2.0.0"
+      }
+    },
     "isexe": {
       "version": "2.0.0",
       "dev": true
@@ -2263,6 +2443,8 @@
     },
     "json-schema-traverse": {
       "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz",
+      "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg==",
       "dev": true
     },
     "lit": {
@@ -2345,6 +2527,12 @@
       "version": "0.6.2",
       "dev": true
     },
+    "nice-try": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/nice-try/-/nice-try-1.0.5.tgz",
+      "integrity": "sha512-1nh45deeb5olNY7eX82BkPO7SSxR5SSYJiPTrTdFUVYwAl8CKMA5N9PjTYkHiRjisVcxcQ1HXdLhx2qxxJzLNQ==",
+      "dev": true
+    },
     "npm-run-path": {
       "version": "2.0.2",
       "dev": true,
@@ -2356,6 +2544,15 @@
       "version": "1.0.2",
       "dev": true
     },
+    "once": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
+      "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
+      "dev": true,
+      "requires": {
+        "wrappy": "1"
+      }
+    },
     "p-finally": {
       "version": "1.0.0",
       "dev": true
@@ -2390,6 +2587,16 @@
       "version": "1.0.2",
       "dev": true
     },
+    "pump": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/pump/-/pump-3.0.0.tgz",
+      "integrity": "sha512-LwZy+p3SFs1Pytd/jYct4wpv49HiYCqd9Rlc5ZVdk0V+8Yzv6jR5Blk3TRmPL1ft69TxP0IMZGJ+WPFU2BFhww==",
+      "dev": true,
+      "requires": {
+        "end-of-stream": "^1.1.0",
+        "once": "^1.3.1"
+      }
+    },
     "punycode": {
       "version": "1.4.1",
       "dev": true
@@ -2461,6 +2668,12 @@
       "version": "5.2.1",
       "dev": true
     },
+    "semver": {
+      "version": "5.7.1",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
+      "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
+      "dev": true
+    },
     "serialize-javascript": {
       "version": "4.0.0",
       "dev": true,
@@ -2469,15 +2682,17 @@
       }
     },
     "serve": {
-      "version": "11.3.2",
+      "version": "12.0.0",
+      "resolved": "https://registry.npmjs.org/serve/-/serve-12.0.0.tgz",
+      "integrity": "sha512-BkTsETQYynAZ7rXX414kg4X6EvuZQS3UVs1NY0VQYdRHSTYWPYcH38nnDh48D0x6ONuislgjag8uKlU2gTBImA==",
       "dev": true,
       "requires": {
         "@zeit/schemas": "2.6.0",
-        "ajv": "6.5.3",
+        "ajv": "6.12.6",
         "arg": "2.0.0",
         "boxen": "1.3.0",
         "chalk": "2.4.1",
-        "clipboardy": "1.2.3",
+        "clipboardy": "2.3.0",
         "compression": "1.7.3",
         "serve-handler": "6.1.3",
         "update-check": "1.5.2"
@@ -2621,6 +2836,8 @@
     },
     "uri-js": {
       "version": "4.4.1",
+      "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.1.tgz",
+      "integrity": "sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==",
       "dev": true,
       "requires": {
         "punycode": "^2.1.0"
@@ -2628,6 +2845,8 @@
       "dependencies": {
         "punycode": {
           "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
+          "integrity": "sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A==",
           "dev": true
         }
       }
@@ -2653,6 +2872,12 @@
         "string-width": "^2.1.1"
       }
     },
+    "wrappy": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+      "dev": true
+    },
     "yallist": {
       "version": "2.1.2",
       "dev": true
diff --git a/package.json b/package.json
index 4404679..06ea84e 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "prettier": "^2.3.0",
     "rollup": "^2.50.2",
     "rollup-plugin-terser": "^7.0.2",
-    "serve": "^11.3.2",
+    "serve": "^12.0.0",
     "typescript": "^4.3.2"
   },
   "dependencies": {