Amend reading config

Bitvault.Avalonia/AppHandler.cs

@@ -0,0 +1,24 @@
+using Avalonia;
+using Avalonia.Controls.ApplicationLifetimes;
+using System.Threading;
+using System.Threading.Tasks;
+using Toolkit.Foundation;
+
+namespace Bitvault.Avalonia;
+
+public class AppHandler(IPublisher publisher) :
+    INotificationHandler<Started>
+{
+    public async Task Handle(Started args, CancellationToken cancellationToken = default)
+    {
+        if (Application.Current is Application application)
+        {
+            if (application.ApplicationLifetime is IApplicationLifetime lifetime)
+            {
+                await publisher.Publish(new Navigate(lifetime is IClassicDesktopStyleApplicationLifetime ? "MainWindow" : "Main",
+                    lifetime is IClassicDesktopStyleApplicationLifetime ? typeof(IClassicDesktopStyleApplicationLifetime) :
+                    typeof(ISingleViewApplicationLifetime)), cancellationToken);
+            }
+        }
+    }
+}