Update

lib/home.dart

@@ -0,0 +1,16 @@
+import 'package:flutter/material.dart';
+
+class HomePage extends StatelessWidget {
+  const HomePage({Key? key}) : super(key: key);
+
+  static const String routeName = '/';
+
+  @override
+  Widget build(BuildContext context) {
+    return const Scaffold(
+      body: Center(
+        child: Text('Hello World!'),
+      ),
+    );
+  }
+}