!884 代码生成Service模板增加引用Entity

Merge pull request !884 from Jone/next

Admin.NET/Admin.NET.Web.Entry/wwwroot/Template/Service.cs.vm

@@ -1,4 +1,5 @@
 using @(@Model.NameSpace).Const;
+using @(@Model.NameSpace).Entity;
 @{
     string joinTableName = "u";
     Dictionary<string, int> definedObjects = new Dictionary<string, int>();