App review reminder

lib/ui/app/review_app.dart

@@ -0,0 +1,10 @@
+import 'package:flutter/material.dart';
+
+class ReviewApp extends StatelessWidget {
+  const ReviewApp({Key key}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Placeholder();
+  }
+}