builder
                .UseMauiApp<App>()
                //.ConfigureSyncfusionPdfViewer()
                .UseMauiMTAdmob() // <--- HIER hinzufügen
                .UseLocalNotification()
                .ConfigureFonts(fonts =>
                {
                    fonts.AddFont("OpenSans-Regular.ttf", "OpenSansRegular");
                    fonts.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold");
                });