Added app configuration

TheXamlGuy.TaskbarGroup.Core/CreateShortcutHandler.cs

@@ -0,0 +1,18 @@
+using WindowsShortcutFactory;
+
+namespace TheXamlGuy.TaskbarGroup.Core
+{
+    public class CreateShortcutHandler : IMessageHandler<CreateShortcut>
+    {
+        public void Handle(CreateShortcut message)
+        {
+            using var shortcut = new WindowsShortcut
+            {
+                Path = message.Path,
+            };
+
+            shortcut.Save(@"C:\temp\MyShortcut.lnk");
+        }
+
+    }
+}