fix: repair site links and locale routing

[anbv29]

Summary

• fix broken user, footer, event, and release links
• preserve locale and base URL when navigating
• support all Chinese browser locale variants
• paginate GitHub contributors correctly
• fix effect cleanup and contributor markup
• add a stable translated subscription anchor

Testing

• CI-pinned Markdown lint
• English Docusaurus production compilation
• Chinese Docusaurus production build
• inspected generated links, anchors, page title, and release URLs

Fixes #1134

[dengliming]

@anbv29 Can you resolve the conflicts?

[anbv29]

Yeah, on it @dengliming .

[dengliming]

@anbv29 Can you resolve the conflicts?

[anbv29]

just a min! i know what to fix now

[anbv29]

I think it's fixed from my side now @dengliming . Can you try to merge it now?

[anbv29]

conflicts arise again but resolved with main and locale routing fix from #1134 is intact, ready for review whenever @dengliming

[dengliming]

Thank you for your contribution! The website has restructured most of the pages. You can correct the incorrect links based on the latest main code and open a new pull request.