[zh-cn]: create and update the translation of articles under "web/css/basic-shape"

[tianyeeT]

MDN URL

https://developer.mozilla.org/zh-CN/docs/Web/CSS/basic-shape

What specific section or headline is this issue about?

No response

What information was incorrect, unhelpful, or incomplete?

Let's synchronize the content for 'web/css/basic-shape'.

What did you expect to see?

Keep pace with upstream.

Do you have any supporting links, references, or citations?

No response

Do you have anything more you want to share?

No response

### Tasks
- [ ] https://github.com/mdn/translated-content/pull/20942
- [ ] https://github.com/mdn/translated-content/pull/20943
- [ ] https://github.com/mdn/translated-content/pull/20944
- [ ] https://github.com/mdn/translated-content/pull/20952
- [ ] https://github.com/mdn/translated-content/pull/20955
- [ ] https://github.com/mdn/translated-content/pull/20956
- [ ] https://github.com/mdn/translated-content/pull/20962
- [ ] #20087
- [ ] update web/css/basic-shape