Update README.md

Author: edenleung

README.md

@@ -1,6 +1,9 @@
 # think-site-pusher
-ThinkPHP 扩展包 网站链接提交
+ThinkPHP 扩展包 网站链接提交  
 
+[![Latest Stable Version](https://poser.pugx.org/xiaodi/think-site-pusher/v/stable)](https://packagist.org/packages/xiaodi/think-site-pusher)
+[![Total Downloads](https://poser.pugx.org/xiaodi/think-site-pusher/downloads)](https://packagist.org/packages/xiaodi/think-site-pusher)
+[![Latest Unstable Version](https://poser.pugx.org/xiaodi/think-site-pusher/v/unstable)](//packagist.org/packages/xiaodi/think-site-pusher)
 ## 安装
 ```
 composer require xiaodi/think-site-pusher:dev-master