chnages has been made

lib/domain/usecases/get_theme_usecase.dart

@@ -0,0 +1,11 @@
+import 'package:dartz/dartz.dart';
+import '../../core/error/failures.dart';
+import '../models/theme_model.dart';
+import '../repositories/theme_repository.dart';
+
+class GetThemeUseCase {
+  final ThemeRepository repo;
+  GetThemeUseCase(this.repo);
+
+  Future<Either<Failure, ThemeModel>> call() => repo.getTheme();
+}