- Added device token management API for mobile devices, including registration, unregistration, and listing of devices.
- Implemented push notification functionality using FCM for Android and APNS for iOS.
- Introduced new endpoints for device registration and management in the devices API.
- Enhanced the configuration to support mobile push notifications with optional credentials for FCM and APNS.
- Updated database schema to include a new table for storing device tokens.
- Added integration tests for device management and push notification features.
