更新文档

README.md

@@ -1,6 +1,8 @@
 ## zheng
 ![Version](https://img.shields.io/badge/version-1.0.0-green.svg)
 [![License](https://img.shields.io/badge/license-MIT-blue.svg)](http://opensource.org/licenses/MIT)
+[![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg)](https://github.com/shuzheng/zheng/pulls)
+[![wiki-1.0.0](https://img.shields.io/badge/zheng-1.0.0-red.svg)](https://github.com/shuzheng/zheng/wiki)
 
 # 项目介绍
 ``` lua