IOC容器添加构造函数注入（DLL类中使用AutoRegisterAttribute特性标注的类，会在流程启动时自动注册），提高可读性。

Library/Entity/NodeLibrary.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Reflection;
+using System.Text;
+
+namespace Serein.Library.Entity
+{
+    public class NodeLibrary
+    {
+        public string Path { get; set; }
+        public Assembly Assembly { get; set; }
+    }
+
+}