添加Avalonia项目的demo

Serein.Workbench.Avalonia/Views/MainView.axaml.cs

@@ -0,0 +1,23 @@
+using Avalonia.Controls;
+using Avalonia.Controls.Primitives;
+using Avalonia.Input;
+using Avalonia.Markup.Xaml;
+using Newtonsoft.Json;
+using Serein.Library;
+using Serein.NodeFlow.Env;
+using System;
+using System.Diagnostics;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Serein.Workbench.Avalonia.Views;
+
+public partial class MainView : UserControl
+{
+    public MainView()
+    {
+        InitializeComponent();
+    }
+
+
+}