Bump @docusaurus/core from 2.0.0-alpha.59 to 2.0.0-alpha.60 (#613)

Bumps [@docusaurus/core](https://github.com/facebook/docusaurus) from 2.0.0-alpha.59 to 2.0.0-alpha.60.
- [Release notes](https://github.com/facebook/docusaurus/releases)
- [Changelog](https://github.com/facebook/docusaurus/blob/master/CHANGELOG-2.x.md)
- [Commits](https://github.com/facebook/docusaurus/compare/v2.0.0-alpha.59...v2.0.0-alpha.60)

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -13,7 +13,7 @@
   "dependencies": {
     "by-node-env": "^2.0.1",
     "@docusaurus/preset-classic": "^2.0.0-alpha.60",
-    "@docusaurus/core": "^2.0.0-alpha.59",
+    "@docusaurus/core": "^2.0.0-alpha.60",
     "classnames": "^2.2.6",
     "react": "^16.13.1",
     "react-dom": "^16.13.1"

yarn.lock

@@ -1215,82 +1215,6 @@
     "@francoischalifour/autocomplete-preset-algolia" "^1.0.0-alpha.24"
     algoliasearch "^4.0.0"
 
-"@docusaurus/core@^2.0.0-alpha.59":
-  version "2.0.0-alpha.59"
-  resolved "https://registry.yarnpkg.com/@docusaurus/core/-/core-2.0.0-alpha.59.tgz#5d180e143ea05760ecc17aeb22a80e3322aec307"
-  integrity sha512-+iOSwUjvZaqEiII/VsyGHF0aREWI4JD4UGdggJeOnmwZwYb/2WZg4cJDwLjcB5vd69nsb06pqg3LilnF6DSYuQ==
-  dependencies:
-    "@babel/core" "^7.9.0"
-    "@babel/plugin-proposal-nullish-coalescing-operator" "^7.10.1"
-    "@babel/plugin-proposal-optional-chaining" "^7.10.3"
-    "@babel/plugin-syntax-dynamic-import" "^7.8.3"
-    "@babel/plugin-transform-runtime" "^7.9.0"
-    "@babel/preset-env" "^7.9.0"
-    "@babel/preset-react" "^7.9.4"
-    "@babel/preset-typescript" "^7.9.0"
-    "@babel/runtime" "^7.9.2"
-    "@babel/runtime-corejs3" "^7.10.4"
-    "@docusaurus/types" "^2.0.0-alpha.59"
-    "@docusaurus/utils" "^2.0.0-alpha.59"
-    "@endiliey/static-site-generator-webpack-plugin" "^4.0.0"
-    "@hapi/joi" "^17.1.1"
-    "@svgr/webpack" "^5.4.0"
-    babel-loader "^8.1.0"
-    babel-plugin-dynamic-import-node "^2.3.0"
-    boxen "^4.2.0"
-    cache-loader "^4.1.0"
-    chalk "^3.0.0"
-    chokidar "^3.3.0"
-    commander "^4.0.1"
-    copy-webpack-plugin "^5.0.5"
-    core-js "^2.6.5"
-    css-loader "^3.4.2"
-    del "^5.1.0"
-    detect-port "^1.3.0"
-    eta "^1.1.1"
-    express "^4.17.1"
-    file-loader "^6.0.0"
-    fs-extra "^8.1.0"
-    globby "^10.0.1"
-    html-minifier-terser "^5.0.5"
-    html-tags "^3.1.0"
-    html-webpack-plugin "^4.0.4"
-    import-fresh "^3.2.1"
-    inquirer "^7.2.0"
-    is-root "^2.1.0"
-    lodash "^4.5.2"
-    lodash.has "^4.5.2"
-    lodash.isplainobject "^4.0.6"
-    lodash.isstring "^4.0.1"
-    mini-css-extract-plugin "^0.8.0"
-    nprogress "^0.2.0"
-    null-loader "^3.0.0"
-    optimize-css-assets-webpack-plugin "^5.0.3"
-    pnp-webpack-plugin "^1.6.4"
-    postcss-loader "^3.0.0"
-    postcss-preset-env "^6.7.0"
-    react-dev-utils "^10.2.1"
-    react-helmet "^6.0.0-beta"
-    react-loadable "^5.5.0"
-    react-loadable-ssr-addon "^0.2.3"
-    react-router "^5.1.2"
-    react-router-config "^5.1.1"
-    react-router-dom "^5.1.2"
-    resolve-pathname "^3.0.0"
-    semver "^6.3.0"
-    serve-handler "^6.1.3"
-    shelljs "^0.8.4"
-    std-env "^2.2.1"
-    terser-webpack-plugin "^2.3.5"
-    update-notifier "^4.1.0"
-    url-loader "^4.1.0"
-    wait-file "^1.0.5"
-    webpack "^4.41.2"
-    webpack-bundle-analyzer "^3.6.1"
-    webpack-dev-server "^3.11.0"
-    webpack-merge "^4.2.2"
-    webpackbar "^4.0.0"
-
 "@docusaurus/core@^2.0.0-alpha.60":
   version "2.0.0-alpha.60"
   resolved "https://registry.yarnpkg.com/@docusaurus/core/-/core-2.0.0-alpha.60.tgz#37b24d372b7ccccfd62b6296aa72281bb479f53b"
@@ -1510,16 +1434,6 @@
     clsx "^1.1.1"
     eta "^1.1.1"
 
-"@docusaurus/types@^2.0.0-alpha.59":
-  version "2.0.0-alpha.59"
-  resolved "https://registry.yarnpkg.com/@docusaurus/types/-/types-2.0.0-alpha.59.tgz#67cc39acb1c1882805bd3dc18a916a2416e1effe"
-  integrity sha512-DAfcOoiPEYXJLT0WfKGLKjBLBRkevFHB7qMqCUJo4xEWORjb4XU7FDRvGxGZl4fRPYOiCZ7oPvMlmapaMmDFNw==
-  dependencies:
-    "@types/webpack" "^4.41.0"
-    commander "^4.0.1"
-    querystring "0.2.0"
-    webpack-merge "^4.2.2"
-
 "@docusaurus/types@^2.0.0-alpha.60":
   version "2.0.0-alpha.60"
   resolved "https://registry.yarnpkg.com/@docusaurus/types/-/types-2.0.0-alpha.60.tgz#abaf94ce03ec3cb0038b0b470d6bc21f47d5bebd"
@@ -1530,18 +1444,6 @@
     querystring "0.2.0"
     webpack-merge "^4.2.2"
 
-"@docusaurus/utils@^2.0.0-alpha.59":
-  version "2.0.0-alpha.59"
-  resolved "https://registry.yarnpkg.com/@docusaurus/utils/-/utils-2.0.0-alpha.59.tgz#55476599549f04aaaca343ca7370325b67758fa6"
-  integrity sha512-hubZiMe0PVeLW2s95k8mQwNThlgOn8F4OPxW2YzEbKHDgfiP0m0u1TSxP6BrkMmlDDc5LOPY2MyLM8UMhBiZig==
-  dependencies:
-    escape-string-regexp "^2.0.0"
-    fs-extra "^8.1.0"
-    gray-matter "^4.0.2"
-    lodash.camelcase "^4.3.0"
-    lodash.kebabcase "^4.1.1"
-    resolve-pathname "^3.0.0"
-
 "@docusaurus/utils@^2.0.0-alpha.60":
   version "2.0.0-alpha.60"
   resolved "https://registry.yarnpkg.com/@docusaurus/utils/-/utils-2.0.0-alpha.60.tgz#b71549ba2d64f49998919fff030f5d3b1377ea99"