added interface themes

CursorLang/App.xaml.cs

@@ -22,6 +22,8 @@ public partial class App : Application
         ConfigureServices(services);
         _services = services.BuildServiceProvider();
 
+        _services.GetRequiredService<ThemeService>();
+
         MainWindow = _services.GetRequiredService<MainWindow>();
         MainWindow.Show();
 
@@ -43,6 +45,9 @@ public partial class App : Application
         services.AddSingleton<SettingsService>();
         services.AddSingleton(provider => provider.GetRequiredService<SettingsService>().Load());
 
+        services.AddSingleton<ThemeService>();
+        services.AddSingleton<IThemeService>(provider => provider.GetRequiredService<ThemeService>());
+
         services.AddSingleton<ILocalizationService, LocalizationService>();
         services.AddSingleton<IKeyboardLayoutService, KeyboardLayoutService>();
         services.AddSingleton<ILayoutPopupService, LayoutPopupService>();