Revamp of the Settings State System along with TypeScript support (#1560)

* Add vue-rx, rxjs and lodash as dependencies

* Added vue-rx plugin integration to nuxt config

* Initial settings store implementation

* Add babel plugin for private class properties to for Jest

* Add DispatchingStore test spec

* Initial settings code

* Reactive Streams for fb current user and id token

* Fix typo

* Migrate index and graphql pages to the new store

* Migrate network strategy to the new store

* Fixed Section.vue errors

* Fix getSettingSubject issue

* Migrate fb settings reference in components to the new state system

* Add typings for lodash as dev dependency

* Load setting

* Load initial sync setting values

* Update proxy url

* Add typescript support

* Rewrite Settings store to TypeScript

* Port Settings page to TypeScript as reference

* Move all store migrations to a separate file

* Delete test file for fb.js

* Add ts-jest as dev dependency

* Remove firebase-mock as dependency

* Remove FRAME_COLORS_ENABLED settings value

nuxt.config.js

@@ -92,6 +92,7 @@ export default {
   plugins: [
     "~/plugins/vuex-persist",
     "~/plugins/v-tooltip",
+    "~/plugins/vue-rx",
     { src: "~/plugins/web-worker", ssr: false },
   ],
 
@@ -112,6 +113,8 @@ export default {
     "@nuxtjs/color-mode",
     // https: //github.com/nuxt-community/google-fonts-module
     "@nuxtjs/google-fonts",
+    // https://github.com/nuxt/typescript
+    "@nuxt/typescript-build",
   ],
 
   // Modules (https://go.nuxtjs.dev/config-modules)