Update README.md

Author: 2534290808

README.md

@@ -1,6 +1,6 @@
-# react-native-MJRefresh
+# react-native-MJRefresh[![npm version](https://badge.fury.io/js/react-native-mjrefresh.svg)](https://badge.fury.io/js/react-native-mjrefresh)
 
-android自动刷新组件[react-native-SmartRefreshLayout](https://github.com/react-native-studio/react-native-SmartRefreshLayout)
+android自动刷新组件见[react-native-SmartRefreshLayout](https://github.com/react-native-studio/react-native-SmartRefreshLayout)
 ## 第一步
 工程目录下运行<br> `npm install --save react-native-mjrefresh`<br> 或者<br> `yarn add react-native-mjrefresh`(已经安装了yarn)
 ## 第二步