Collaborate 2.1

 New Features

  - Added alternative login flow via WebView
  - Added Configuration system — read more on this page 
  - Added "Online" badge displayed when calling is ready

 Improvements

  - Volume control changed to 1–5 range
  - Allow being late to a meeting
  - Bump minSdk to 30 (Android 11)
  - Added "End call" confirmation dialog 
  - Updated built-in translations

 Bug Fixes

  - Fix bad sign out screen when addon code doesn't exist
  - Fix parsing of meeting links
  - Fix infinite sign out loop 
  - Fix participants in incoming group call
  - Fix thermal camera initialization color