Update v.1.1.0

Release notes (v1.1.0):

• Added a non-linear level selection to allow players
  to choose levels freely
• HUD is now more responsive when playing in
  fullscreen mode

Release notes (v1.0.1):

• Now supports fullscreen mode
• Updated Unity-Version to 2021.1.15f1
  
• Reduced served build size
  Results in faster startup and less data consumption
  From 20,21 MB to 11,7 MB (~ 42,1% reduction)

Details:
- Build now uses Brotli compression instead of gzip
- Textures now use crunch compression
- Compressed audio files
- Allowed Unity to strip more unused engine code
- Removed unused assets from project (like default font assets)