private async void OnLoaded(object sender, RoutedEventArgs routedEventArgs)
        {
            try
            {
                await ApiData.GetApiData();

                await SpeechService.Startup();

                Browser.Navigate(new Uri("http://localhost/home.html"));

                speechRecognition.StartRecognizing();

                TimeSpan period = TimeSpan.FromMinutes(30);
                ThreadPoolTimer.CreatePeriodicTimer(async source =>
                {
                    Debug.WriteLine("API Daten werden aktualisiert.");

                    await ApiData.GetApiData();

                    await dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
                    {
                        Browser.Refresh();
                    });

                    Debug.WriteLine("Anzeige aktualisiert.");
                }, period);
            }
            catch (Exception exception)
            {
                Log.Log.WriteException(exception);
            }
        }