更新客户端渲染，更新了壳

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

@@ -0,0 +1,25 @@
+// 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.
+
+using Wpf.Ui.Demo.Simple.Views.Pages;
+
+namespace Wpf.Ui.Demo.Simple;
+
+/// <summary>
+/// Interaction logic for MainWindow.xaml
+/// </summary>
+public partial class MainWindow
+{
+    public MainWindow()
+    {
+        DataContext = this;
+
+        Appearance.SystemThemeWatcher.Watch(this);
+
+        InitializeComponent();
+
+        Loaded += (_, _) => RootNavigation.Navigate(typeof(DashboardPage));
+    }
+}