add watcher

Author: houko

README.md

@@ -5,8 +5,7 @@
 [![GitHub license](https://img.shields.io/badge/license-Apache%202-blue.svg)](https://raw.githubusercontent.com/xiaomoinfo/SpringBootUnity/master/LICENSE)
 [![Maven Central](https://img.shields.io/maven-central/v/org.apache.maven/apache-maven.svg)]()
 [![GitHub followers](https://img.shields.io/github/followers/xiaomoinfo.svg?style=social&label=Follow)]()
-[![GitHub forks](https://img.shields.io/github/forks/xiaomoinfo/SpringBootUnity.svg?style=social&label=Fork)](https://github.com/xiaomoinfo/SpringBootUnity)
-[![GitHub stars](https://img.shields.io/github/stars/xiaomoinfo/SpringBootUnity.svg?style=social&label=Star)]()
+[![GitHub watchers](https://img.shields.io/github/watchers/xiaomoinfo/SpringBootUnity.svg?style=social&label=Watch)]()
 
 ### 环境
 - `maven` latest