update

lib/app/app.dart

@@ -0,0 +1,17 @@
+import 'package:flutter/material.dart';
+import 'router.dart';
+import 'theme.dart';
+
+class App extends StatelessWidget {
+  const App({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp.router(
+      title: 'Finance Tracker',
+      debugShowCheckedModeBanner: false,
+      theme: buildAppTheme(),
+      routerConfig: appRouter,
+    );
+  }
+}