- **Network Discovery Service:**
- Added platform-specific `DiscoveryModule` with JmDNS-based `JmDnsDiscoveryService` for JVM and no-op implementation for JS.
- Implemented service and device discovery using mDNS to enable peer-to-peer synchronization within LAN.
- Registered the module in Koin for dependency injection and integrated it with `networkModule`.
- **Frontend Integration:**
- Enhanced `BewerbViewModel` with intents and actions for starting, stopping, and refreshing network scans.
- Introduced polling for discovered services during an active scan.
- **UI Additions:**
- Added a `NetworkDiscoveryPanel` in `TurnierBewerbeTab` to display discovered services and indicate scan state.
- Updated action buttons to include toggle functionality for network scans.