Add initial project structure and configuration files for iOS and Android

lib/features/auth/controllers/auth_cubit.dart

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+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()));
+    }
+  }
+}

lib/features/auth/controllers/auth_state.dart

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+import 'package:equatable/equatable.dart';
+import '../../../data/models/user.dart';
+
+abstract class AuthState extends Equatable {
+  @override
+  List<Object?> get props => [];
+}
+
+class AuthInitial extends AuthState {}
+
+class AuthLoading extends AuthState {}
+
+class Authenticated extends AuthState {
+  final User user;
+
+  Authenticated(this.user);
+
+  @override
+  List<Object?> get props => [user];
+}
+
+class Unauthenticated extends AuthState {}
+
+class AuthError extends AuthState {
+  final String message;
+
+  AuthError(this.message);
+
+  @override
+  List<Object?> get props => [message];
+}