Add initial project structure and configuration files for iOS and Android

lib/features/auth/controllers/auth_state.dart

@@ -0,0 +1,31 @@
+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];
+}