feat(call): integrate call handling and WebSocket support

- Added CallHandler and related services for managing call sessions and participants.
- Enhanced WSHandler to support call signaling, including invite, answer, reject, and end functionalities.
- Updated router to include call-related routes for history and ICE server retrieval.
- Introduced WebRTC configuration in the application settings for call management.
- Refactored wire generation to include CallService and CallRepository for improved dependency injection.

internal/model/init.go

@@ -163,6 +163,10 @@ func autoMigrate(db *gorm.DB) error {
 		// 学习资料相关
 		&MaterialSubject{},
 		&MaterialFile{},
+
+		// 通话相关
+		&CallSession{},
+		&CallParticipant{},
 	)
 	if err != nil {
 		return err