更新客户端渲染，更新了壳

参考/wpfui-main/samples/Wpf.Ui.Demo.Simple/App.xaml.cs

@@ -0,0 +1,11 @@
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file, You can obtain one at https://opensource.org/licenses/MIT.
+// Copyright (C) Leszek Pomianowski and WPF UI Contributors.
+// All Rights Reserved.
+
+namespace Wpf.Ui.Demo.Simple;
+
+/// <summary>
+/// Interaction logic for App.xaml
+/// </summary>
+public partial class App { }