Merge branch 'master' of https://github.com/artdong/react-org-tree into 0.2.1

Author: artdong

Diff for: README.md

@@ -1,5 +1,11 @@
 # react-org-tree
 
+[![npm version][npm-image]][npm-url]
+[![mnt-image](https://img.shields.io/maintenance/yes/2020.svg)](../../commits/master)
+[![GitHub stars](https://img.shields.io/github/stars/artdong/react-org-tree.svg)](https://github.com/artdong/react-org-tree/stargazers)
+[![GitHub forks](https://img.shields.io/github/forks/artdong/react-org-tree.svg)](https://github.com/artdong/react-org-tree/network)
+[![GitHub license](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/artdong/react-org-tree/blob/master/LICENSE)
+
 > A simple organization tree component based on react
 
 ### Installation
@@ -71,6 +77,8 @@ const data = {
 
 <img src="https://upload-images.jianshu.io/upload_images/3100736-9a338b3b8b6ee580.png" width="773px" style="display:inline;">
 
+[npm-image]: https://badge.fury.io/js/react-org-tree.svg
+[npm-url]: https://npmjs.org/package/react-org-tree