添加Avalonia项目的demo

Serein.Workbench.Avalonia/Api/INodeControl.cs

@@ -0,0 +1,23 @@
+using Serein.Library;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Serein.Workbench.Avalonia.Api
+{
+    internal interface INodeControl
+    {
+        /// <summary>
+        /// 对应的节点实体
+        /// </summary>
+        NodeModelBase NodeModelBase { get; }
+
+        /// <summary>
+        /// 初始化使用的方法，设置节点实体
+        /// </summary>
+        /// <param name="nodeModel"></param>
+        void SetNodeModel(NodeModelBase nodeModel);
+    }
+}