docs/zh_CN: Add rust quick-start Chinese translation

Translate .../rust/quick-start.rst into Chinese.

Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Reviewed-by: Wu XiangCheng <bobwxc@email.cn>
Link: https://lore.kernel.org/r/00e9069e9259f4ba05f7c4c4ab64edcbe73d1eaf.1666959529.git.siyanteng@loongson.cn


Signed-off-by: Jonathan Corbet <corbet@lwn.net>