feat(dev): option to render web app inside the mobile app (#1164)

* feat (WIP): render web app inside the mobile app

* fix: web app loading

* chore: build scripts related to mobile web bundle

* feat: show WebView header, which lets to close the WebView

* refactor: remove extra component

* chore: correct type

* chore: remove TODO

Co-authored-by: Mo <mo@standardnotes.com>

packages/mobile/src/Lib/constants.ts

@@ -1,3 +1,7 @@
+import { IsDev } from '@Lib/Utils'
+
 export enum ErrorMessage {
   GeneralText = 'An error occurred. Please try again later.',
 }
+
+export const WebAppOptionEnabled = IsDev