[zh] Update cncf-code-of-conduct/readme

Signed-off-by: xin.li <[email protected]>

Author: my-git9

content/zh/community/static/README.md

@@ -1,5 +1,9 @@
 <!-- The files in this directory have been imported from other sources. Do not
-edit them directly, except by replacing them with new versions. -->
+edit them directly, except by replacing them with new versions.
+Localization note: you do not need to create localized versions of any of
+                   the files in this directory.
+-->
 
 本路径下的文件从其它地方导入。
 除了版本更新，不要直接修改。
+本地化说明：你无需为此目录中的任何文件创建本地化版本。