Split electron-main into smaller chunks (#377)

* Split electron-main into smaller chunks

* Affix @types/node version and upgrade electron-store

* Iterate PR

* tidy up

* Actually run the split out code

package.json

@@ -42,7 +42,7 @@
   "dependencies": {
     "auto-launch": "^5.0.5",
     "counterpart": "^0.18.6",
-    "electron-store": "^6.0.1",
+    "electron-store": "^8.0.2",
     "electron-window-state": "^5.0.3",
     "minimist": "^1.2.6",
     "png-to-ico": "^2.1.1",
@@ -88,6 +88,9 @@
     "matrix-seshat": "^2.3.3",
     "keytar": "^7.9.0"
   },
+  "resolutions": {
+    "@types/node": "16.11.38"
+  },
   "build": {
     "appId": "im.riot.app",
     "asarUnpack": "**/*.node",