add util

abc/lib/main.dart

@@ -1,20 +0,0 @@
-import 'package:flutter/material.dart';
-
-void main() {
-  runApp(const MainApp());
-}
-
-class MainApp extends StatelessWidget {
-  const MainApp({super.key});
-
-  @override
-  Widget build(BuildContext context) {
-    return const MaterialApp(
-      home: Scaffold(
-        body: Center(
-          child: Text('Wow, nice, Hello World!'),
-        ),
-      ),
-    );
-  }
-}

abc/lib/main.dart

@@ -0,0 +1 @@
+../../src/main.dart