优化Readme

README.md

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 Web前端助手（FeHelper）- Chrome&Firefox Extension
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+![](/apps/static/screenshot/fehelper.jpg)
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+[![](https://img.shields.io/chrome-web-store/v/pkgccpejnmalmdinmhkkfafefagiiiad.svg?logo=Google%20Chrome&logoColor=white&color=blue)](https://chrome.google.com/webstore/detail/pkgccpejnmalmdinmhkkfafefagiiiad) 
+[![](https://img.shields.io/chrome-web-store/stars/pkgccpejnmalmdinmhkkfafefagiiiad.svg?logo=Google%20Chrome&logoColor=white&color=blue)](https://chrome.google.com/webstore/detail/pkgccpejnmalmdinmhkkfafefagiiiad) 
+[![](https://img.shields.io/chrome-web-store/users/pkgccpejnmalmdinmhkkfafefagiiiad.svg?logo=Google%20Chrome&logoColor=white&color=blue)](https://chrome.google.com/webstore/detail/pkgccpejnmalmdinmhkkfafefagiiiad)    
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 ## 一、官网地址
 https://www.baidufe.com/fehelper