Move Flutter widgets to packages directory

packages/flutter_widgets/lib/src/compress_video_service.dart

@@ -0,0 +1,20 @@
+import 'dart:async';
+import 'package:synchronized/synchronized.dart';
+import 'package:video_compress/video_compress.dart';
+
+class ICompressVideoService {
+  static final ICompressVideoService instance = ICompressVideoService._();
+  final _lock = Lock();
+  ICompressVideoService._();
+
+  Future<MediaInfo> compressVideo(String path) async {
+    return _lock.synchronized(() {
+      return VideoCompress.compressVideo(
+        path,
+      );
+    });
+  }
+}
+
+ICompressVideoService get CompressVideoService =>
+    ICompressVideoService.instance;