restructure project for part 2

Hyperbar.Widget.MediaController.Windows/MediaControllerFactory.cs

@@ -0,0 +1,17 @@
+using Windows.Media.Control;
+
+namespace Hyperbar.Widget.MediaController.Windows;
+
+public class MediaControllerFactory(IServiceScopeFactory<MediaController> serviceScopeFactory) :
+    IFactory<GlobalSystemMediaTransportControlsSession, MediaController?>
+{
+    public MediaController? Create(GlobalSystemMediaTransportControlsSession value)
+    {
+        if (serviceScopeFactory.Create(value) is MediaController mediaController)
+        {
+            return mediaController;
+        }
+
+        return default;
+    }
+}