modify readme

readme.md

@@ -1,8 +1,12 @@
 ## JsonBird
-> A JSON Remote Agent Service | 一个远程JSON代理服务
+A JSON Remote Agent Service | 一个远程JSON代理服务
+![npm:v3.10.3](https://img.shields.io/badge/npm-v3.10.3-blue.svg)
+![express:v4.13.4](https://img.shields.io/badge/express-v4.13.4-blue.svg)
+![node:v6.3.1](https://img.shields.io/badge/node-v6.3.1-blue.svg)
+![build:passing](https://img.shields.io/badge/build-passing-green.svg)
+![license:MIT](https://img.shields.io/badge/license-MIT-green.svg)
+[![releases:v1.0.0](https://img.shields.io/badge/releases-v1.0.0-blue.svg)][https://github.com/xCss/JsonBird/releases]
 
-## Version
-> 1.0.0
 
 ## How to use
 > https://bird.ioliu.cn/v1/?url=http[s]://YouWantProxyJSONUrls.com&[?]params1=val1&params2=val2[&callback=fn]