feat: Implement platform-specific persistence for renderer settings and save games

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

apps/wolf_3d_cli/bin/main.dart

@@ -7,8 +7,6 @@ library;
 import 'dart:io';
 
 import 'package:wolf_3d_cli/cli_game_loop.dart';
-import 'package:wolf_3d_cli/cli_renderer_settings_persistence.dart';
-import 'package:wolf_3d_cli/cli_save_game_persistence.dart';
 import 'package:wolf_3d_dart/wolf_3d_data.dart';
 import 'package:wolf_3d_dart/wolf_3d_data_types.dart';
 import 'package:wolf_3d_dart/wolf_3d_engine.dart';
@@ -64,12 +62,12 @@ void main() async {
     input: CliInput(),
     onGameWon: () => stopAndExit(0),
     onQuit: () => stopAndExit(0),
-    saveGamePersistence: CliSaveGamePersistence(),
+    saveGamePersistence: DefaultSaveGamePersistence(),
   );
 
   engine.init();
 
-  final persistence = CliRendererSettingsPersistence();
+  final persistence = DefaultRendererSettingsPersistence();
   final WolfRendererSettings? saved = await persistence.load();
 
   gameLoop = CliGameLoop(