wrapped custom widget items in containers so we have more control of the surrounding, i.e. divider

Hyperbar.Windows.MediaController/MediaController.cs

@@ -0,0 +1,10 @@
+namespace Hyperbar.Windows.Primary;
+
+public class MediaController :
+    IInitializer
+{
+    public Task InitializeAsync()
+    {
+        throw new NotImplementedException();
+    }
+}