add dropdown

lib/features/users/presentation/providers/users_state.dart

@@ -0,0 +1,31 @@
+import 'package:equatable/equatable.dart';
+
+import '../../domain/entities/user_entity.dart';
+
+/// State for users feature
+class UsersState extends Equatable {
+  final List<UserEntity> users;
+  final bool isLoading;
+  final String? error;
+
+  const UsersState({
+    this.users = const [],
+    this.isLoading = false,
+    this.error,
+  });
+
+  UsersState copyWith({
+    List<UserEntity>? users,
+    bool? isLoading,
+    String? error,
+  }) {
+    return UsersState(
+      users: users ?? this.users,
+      isLoading: isLoading ?? this.isLoading,
+      error: error,
+    );
+  }
+
+  @override
+  List<Object?> get props => [users, isLoading, error];
+}