将FlowTrigger触发器整合成接口的形式方便替换

NodeFlow/FlowStarter.cs

@@ -4,7 +4,6 @@ using Serein.Library.Core;
 using Serein.Library.Network.WebSocketCommunication;
 using Serein.Library.Utils;
 using Serein.Library.Web;
-using Serein.NodeFlow.Env;
 using Serein.NodeFlow.Model;
 using Serein.NodeFlow.Tool;
 using System.Collections.Concurrent;
@@ -16,6 +15,7 @@ namespace Serein.NodeFlow
     /// </summary>
     public class FlowStarter
     {
+        
         /// <summary>
         /// 控制全局触发器的结束
         /// </summary>