- Implement Community model for managing community data, including secret handling and PSK derivation.
- Create CommunityQrScannerScreen for scanning and joining communities via QR codes.
- Develop CommunityStore for persisting community data using SharedPreferences.
- Introduce QrCodeDisplay widget for displaying QR codes with customizable options.
- Add QrScannerWidget for reusable QR code scanning functionality with validation and controls.
- Added `untranslated.json` to track untranslated messages.
- Updated localization keys in various language files to use camelCase format for consistency.
- Modified `neighbours_screen.dart` to reference updated localization keys.
zjs81