Update Readme.md

Author: kamilmysliwiec

Readme.md

@@ -22,7 +22,7 @@
   <!--[![Backers on Open Collective](https://opencollective.com/nest/backers/badge.svg)](https://opencollective.com/nest#backer)
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-### [中文说明](readme_zh.md)
+<h4 align="center"> <a href="readme_zh.md">中文说明</a></h4>
 
 ## Description