bumped electron to stable

package.json

@@ -14,7 +14,7 @@
     "core-js": "2.4.1",
     "cross-env": "4.0.0",
     "css-loader": "0.28.0",
-    "electron": "4.0.0-beta.7",
+    "electron": "4.0.0",
     "electron-builder": "^20.38.2",
     "electron-builder-squirrel-windows": "^20.28.3",
     "electron-installer-snap": "^3.0.0",
@@ -53,6 +53,9 @@
     "yaml-loader": "0.4.0",
     "yarn": "^1.10.1"
   },
+  "resolutions": {
+      "*/node-abi": "^2.5.0"
+  },
   "build": {
     "appId": "org.terminus",
     "productName": "Terminus",