New Features:
- Direct invitation link for lobbies
- Join via URL
- Spectator mode
- Estimations average calculation
- Ready indicator for submitted estimations
- Highlighting of own username
Fixes:
- Input-validation
- Logo
- Message-Banner animations
- Behavior when users join and leave during active sessions
- Transition between pages
- Routing
- Not found page
- Replaced .svg-icons
- Light-theme colors
- Buttons lose focus after click