split into frontend and backend

frontend/lib/main.dart

@@ -0,0 +1,20 @@
+import 'package:flutter/material.dart';
+import 'package:fast_network_navigation/modules/scaffold.dart';
+
+void main() => runApp(const App());
+
+class App extends StatelessWidget {
+  const App({super.key});
+
+  static const appTitle = 'City Nav';
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: appTitle,
+      home: BasePage(title: appTitle),
+      theme: ThemeData(useMaterial3: true, colorSchemeSeed: Colors.green),
+    );
+  }
+}
+