adding packages

deprecated/storyboard/lib/src/media_query_observer.dart

@@ -0,0 +1,44 @@
+import 'package:flutter/widgets.dart';
+
+class MediaQueryObserver extends StatefulWidget {
+  final Widget child;
+  final MediaQueryData? data;
+
+  const MediaQueryObserver({
+    required this.child,
+    required this.data,
+  });
+
+  @override
+  _MediaQueryObserverState createState() => _MediaQueryObserverState();
+}
+
+class _MediaQueryObserverState extends State<MediaQueryObserver>
+    with WidgetsBindingObserver {
+  @override
+  void didChangeMetrics() {
+    setState(() {});
+    super.didChangeMetrics();
+  }
+
+  @override
+  void initState() {
+    WidgetsBinding.instance?.addObserver(this);
+    super.initState();
+  }
+
+  @override
+  void dispose() {
+    WidgetsBinding.instance?.removeObserver(this);
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return MediaQuery(
+      data: widget.data ??
+          MediaQueryData.fromWindow(WidgetsBinding.instance!.window),
+      child: widget.child,
+    );
+  }
+}