Update README.md

README.md

 # testcase-automaker
 
+[testcase-automaker 中文文档](https://github.com/amazingTest/testcase-automaker/blob/master/README_CN.md)
+
 testcase-automaker can be used to create interface testcase with different params combo base on pairwise strategy.
 
 ## Installation
@@ -85,4 +87,4 @@ which is a list that contains the params combo base on pairwise and the given pa
 
 ## Contact me
 
-For information and suggestions you can contact me at 523314409@qq.com
+For information and suggestions you can contact me at 523314409@qq.com
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