refactor: rename benchmark_cherrypick to benchmark_di, update paths, pubspec, imports, and documentation

benchmark_di/lib/di_adapters/get_it_adapter.dart

@@ -0,0 +1,32 @@
+import 'package:get_it/get_it.dart';
+import 'di_adapter.dart';
+
+class GetItAdapter implements DIAdapter {
+  late GetIt _getIt;
+
+  @override
+  void setupDependencies(void Function(dynamic container) registration) {
+    _getIt = GetIt.asNewInstance();
+    registration(_getIt);
+  }
+
+  @override
+  T resolve<T extends Object>({String? named}) => _getIt<T>(instanceName: named);
+
+  @override
+  Future<T> resolveAsync<T extends Object>({String? named}) async => _getIt<T>(instanceName: named);
+
+  @override
+  void teardown() => _getIt.reset();
+
+  @override
+  DIAdapter openSubScope(String name) {
+    // get_it не поддерживает scope, возвращаем новый инстанс
+    return GetItAdapter();
+  }
+
+  @override
+  Future<void> waitForAsyncReady() async {
+    await _getIt.allReady();
+  }
+}