Add initial project structure and configuration files for iOS and Android

lib/features/auth/controllers/auth_cubit.dart

@@ -0,0 +1,50 @@
+import 'package:bloc/bloc.dart';
+import '../../../data/repositories/auth_repository.dart';
+import 'auth_state.dart';
+
+class AuthCubit extends Cubit<AuthState> {
+  final AuthRepository _authRepository;
+
+  AuthCubit(this._authRepository) : super(AuthInitial()) {
+    checkAuthStatus();
+  }
+
+  Future<void> checkAuthStatus() async {
+    emit(AuthLoading());
+    try {
+      final isLoggedIn = await _authRepository.isLoggedIn();
+      if (isLoggedIn) {
+        final user = await _authRepository.getCurrentUser();
+        if (user != null) {
+          emit(Authenticated(user));
+        } else {
+          emit(Unauthenticated());
+        }
+      } else {
+        emit(Unauthenticated());
+      }
+    } catch (e) {
+      emit(AuthError(e.toString()));
+    }
+  }
+
+  Future<void> login(String username, String password) async {
+    emit(AuthLoading());
+    try {
+      final user = await _authRepository.login(username, password);
+      emit(Authenticated(user));
+    } catch (e) {
+      emit(AuthError(e.toString()));
+    }
+  }
+
+  Future<void> logout() async {
+    emit(AuthLoading());
+    try {
+      await _authRepository.logout();
+      emit(Unauthenticated());
+    } catch (e) {
+      emit(AuthError(e.toString()));
+    }
+  }
+}