feat: included initial LandingPage with PinballGame

lib/app/view/app.dart

@@ -8,6 +8,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
 import 'package:pinball/l10n/l10n.dart';
+import 'package:pinball/landing/landing.dart';
 
 class App extends StatelessWidget {
   const App({Key? key}) : super(key: key);
@@ -15,6 +16,7 @@ class App extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
+      title: 'I/O Pinball',
       theme: ThemeData(
         appBarTheme: const AppBarTheme(color: Color(0xFF13B9FF)),
         colorScheme: ColorScheme.fromSwatch(
@@ -26,7 +28,7 @@ class App extends StatelessWidget {
         GlobalMaterialLocalizations.delegate,
       ],
       supportedLocales: AppLocalizations.supportedLocales,
-      home: Container(),
+      home: const LandingPage(),
     );
   }
 }

lib/game/game.dart

@@ -0,0 +1,2 @@
+export 'pinball_game.dart';
+export 'view/pinball_game_page.dart';

lib/game/pinball_game.dart

@@ -0,0 +1,3 @@
+import 'package:flame_forge2d/forge2d_game.dart';
+
+class PinballGame extends Forge2DGame {}

lib/game/view/pinball_game_page.dart

@@ -0,0 +1,16 @@
+import 'package:flame/game.dart';
+import 'package:flutter/material.dart';
+import 'package:pinball/game/game.dart';
+
+class PinballGamePage extends StatelessWidget {
+  const PinballGamePage({Key? key}) : super(key: key);
+
+  static Route route() {
+    return MaterialPageRoute<void>(builder: (_) => const PinballGamePage());
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return GameWidget(game: PinballGame());
+  }
+}

lib/landing/landing.dart

@@ -0,0 +1 @@
+export 'view/landing_page.dart';

lib/landing/view/landing_page.dart

@@ -0,0 +1,19 @@
+import 'package:flutter/material.dart';
+import 'package:pinball/game/game.dart';
+
+class LandingPage extends StatelessWidget {
+  const LandingPage({Key? key}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: Center(
+        child: TextButton(
+          onPressed: () =>
+              Navigator.of(context).push<void>(PinballGamePage.route()),
+          child: const Text('Start'),
+        ),
+      ),
+    );
+  }
+}