i18n(zh-cn): Update configuration.mdx & Update sidebar.mdx

[liruifengv]

What kind of changes does this PR include?

• Changes or translations of Starlight docs site content

Description

• Update configuration.mdx
• Update sidebar.mdx
• Use zh-CN as example in Chinese docs

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Latest commit: 4b072ef

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[HiDeoo]

Thanks for the translation 🙌

I think this may be missing the changes from #881 which uses a BCP-47 language tag with a regional subtag for the "Translating labels" section example.

[liruifengv]

Thanks for the translation 🙌

I think this may be missing the changes from #881 which uses a BCP-47 language tag with a regional subtag for the "Translating labels" section example.

Yeah. I saw it. Thank you.

[liruifengv]

I updated it. And Use zh-CN as example in Chinese docs. @HiDeoo

[delucis]

Thanks for the update @liruifengv! 🙌