[website] zh-cn: Update Simplified Chinese translation.

[Jactry Zeng]

Signed-off-by: Jactry Zeng 
---
 templates/zh-cn/global/layout/content.template |  87 +++++++++++++++++++
 templates/zh-cn/home.template                  | 113 ++++++++++++++++++++-----
 templates/zh-cn/search.template                |  32 +++----
 3 files changed, 192 insertions(+), 40 deletions(-)
 create mode 100644 templates/zh-cn/global/layout/content.template