chore: add .resinci.json builder configuration object (#1965)

This object will eventually replace the `electron-builder.yml` file
that's currently present in the root of the project.

For now, it contains the `electron-builder` options that are project
specific (all the generic bits live in the Electron Concourse pipeline),
but in the future we might want to decouple how users configure packages
from the `electron-builder` project, instead making the user provide
Resin Concourse specific options that are then translated to
`electron-builder` (or any other packaging technology we might decide to
use) under the hood.

Change-Type: patch
Signed-off-by: Juan Cruz Viotti <jv@jviotti.com>

Trigger Concourse CI

Signed-off-by: Juan Cruz Viotti <jv@jviotti.com>

.resinci.json

@@ -0,0 +1,49 @@
+{
+  "electron": {
+    "dependencies": {
+      "linux": [
+        "libudev-dev",
+        "libusb-1.0-0-dev",
+        "libyaml-dev"
+      ]
+    },
+    "builder": {
+      "appId": "io.resin.etcher",
+      "copyright": "Copyright 2016 Resinio Ltd",
+      "productName": "Etcher",
+      "mac": {
+        "category": "public.app-category.developer-tools"
+      },
+      "dmg": {
+        "iconSize": 110,
+        "contents": [
+          {
+            "x": 140,
+            "y": 225
+          },
+          {
+            "x": 415,
+            "y": 225,
+            "type": "link",
+            "path": "/Applications"
+          }
+        ],
+        "window": {
+          "width": 540,
+          "height": 405
+        }
+      },
+      "linux": {
+        "category": "Utility",
+        "packageCategory": "utils",
+        "synopsis": "Etcher is a powerful OS image flasher built with web technologies to ensure flashing an SDCard or USB drive is a pleasant and safe experience. It protects you from accidentally writing to your hard-drives, ensures every byte of data was written correctly and much more."
+      },
+      "deb": {
+        "priority": "optional",
+        "depends": [
+          "polkit-1-auth-agent | policykit-1-gnome | polkit-kde-1"
+        ]
+      }
+    }
+  }
+}

package.json

@@ -35,15 +35,6 @@
     "7zip-bin-win",
     "7zip-bin-linux"
   ],
-  "concourse": {
-    "dependencies": {
-      "linux": [
-        "libudev-dev",
-        "libusb-1.0-0-dev",
-        "libyaml-dev"
-      ]
-    }
-  },
   "dependencies": {
     "angular": "1.6.3",
     "angular-if-state": "1.0.0",