-Add electron-updater dependency

-Add repository field

Author: chrisknepper

package-lock.json

@@ -6,6 +6,10 @@
   "author": "Chris Knepper <[email protected]>",
   "copyright": "© 2018 Chris Knepper",
   "homepage": "https://github.com/chrisknepper/android-messages-desktop",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/chrisknepper/android-messages-desktop.git"
+  },
   "bugs": {
     "url": "https://github.com/chrisknepper/android-messages-desktop/issues"
   },
@@ -49,6 +53,7 @@
   },
   "dependencies": {
     "about-window": "^1.11.1",
+    "electron-updater": "^2.21.10",
     "fs-jetpack": "^1.0.0"
   },
   "devDependencies": {