Update and rename README_ZH.md to README.zh.md

Update and rename README_ZH.md to README.zh.md

Author: Hassan-Mallah

README_ZH.md renamed to README.zh.md

@@ -1,6 +1,6 @@
 # QuecPython 应用框架——QFrame
 
-[[English](./README.md)]
+中文 | [English](README.md)
 
 ## 概述