Migrated aurora-sharp-desktop to /aurora-sharp-desktop

aurora-sharp-desktop/Aurora.gtk/MainWindow.cs

@@ -0,0 +1,16 @@
+using System;
+using Gtk;
+
+public partial class MainWindow : Gtk.Window
+{
+    public MainWindow() : base(Gtk.WindowType.Toplevel)
+    {
+        Build();
+    }
+
+    protected void OnDeleteEvent(object sender, DeleteEventArgs a)
+    {
+        Application.Quit();
+        a.RetVal = true;
+    }
+}