add kcp

Src/Core/Attributes/IBITCommand.cs

@@ -9,4 +9,14 @@ namespace BITKit
     {
         
     }
+    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct, AllowMultiple = true, Inherited = true)]
+    public class CustomTypeAttribute : System.Attribute
+    {
+        public readonly Type Type;
+        public CustomTypeAttribute(Type type)
+        {
+            
+            Type = type;
+        }
+    }
 }