feat: Implement packaged games loading and update engine initialization to support seeded games

Signed-off-by: Hans Kokx <hans.d.kokx@gmail.com>

apps/wolf_3d_gui/lib/main.dart

@@ -2,15 +2,18 @@ import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:wolf_3d_flutter/wolf_3d_flutter.dart';
 
+import 'packaged_games_loader.dart';
 import 'wolf3d_gui_app.dart';
 
 /// Creates the application shell after loading available Wolf3D data sets.
 void main() async {
   WidgetsFlutterBinding.ensureInitialized();
 
+  final seededGames = await loadPackagedGames();
+
   final Wolf3dFlutterEngine wolf3d = await Wolf3dFlutterEngine(
     debug: kDebugMode,
-  ).init();
+  ).init(seededGames: seededGames);
 
   if (kDebugMode) {
     wolf3d.enableMenuHeaderBandDebugLogging(prefix: '[wolf_3d_gui]');