add isQueueAnim

Author: jljsj33

package.json

@@ -1,6 +1,6 @@
 {
   "name": "rc-queue-anim",
-  "version": "0.13.2",
+  "version": "0.13.3",
   "description": "Queue animation component for react",
   "keywords": [
     "react",

src/index.js

@@ -1,3 +1,4 @@
 // export this package's api
 import QueueAnim from './QueueAnim';
+QueueAnim.isQueueAnim = true;
 export default QueueAnim;