update readme

Author: netbuffer

README.md

@@ -1,4 +1,8 @@
 # javaee-demo
+![](https://img.shields.io/static/v1?label=javaee&message=7.0&color=blue)
+![](https://img.shields.io/static/v1?label=cors-filter&message=2.9&color=blue)
+![](https://img.shields.io/static/v1?label=fastjson&message=1.2.78&color=blue)
+![](https://img.shields.io/static/v1?label=junit&message=4.13.2&color=black)
 > 测试javaee相关技术  
 [github源](https://github.com/netbuffer/javaee-demo)  
 [gitee源](https://gitee.com/netbuffer/javaee-demo)