Hi,

I have translated the guix.gnu.org website into Chinese.  See attachment.

--8<---------------cut here---------------start------------->8---
website: nls: Add Chinese (Simplified) translation.

* website/po/LINGUAS: Add zh_CN.
* website/po/ietf-tags.scm: Add zh_CN.
* website/po/zh_CN.po: New file.
--8<---------------cut here---------------end--------------->8---