Docs: auto copy i18n files to website folder

[yangchuansheng]

🤖 Generated by Copilot at e1d6ee5

Summary

🗑️🎨🌐

This pull request improves the Simplified Chinese translation of the website and adds a script to sync the translation with the latest documentation. It also fixes a broken link in the footer and updates the .gitignore file to ignore some generated files.

zh-Hans files synced
Website footer improved
Autumn of changes

Walkthrough

• Add files generated by docusaurus plugin to .gitignore (link)
• Update footer link to point to sealos.io website instead of local /company page (link)
• Add more footer links with different categories and translations to Simplified Chinese (link)
• Add script to sync Simplified Chinese translation with latest documentation version (link)
• Format i18n/zh-Hans/docusaurus-theme-classic/navbar.json with prettier (link)

[sealos-ci-robot]

🤖 Generated by lychee action

Summary

Status	Count
🔍 Total	956
✅ Successful	375
⏳ Timeouts	0
🔀 Redirected	0
👻 Excluded	580
❓ Unknown	0
🚫 Errors	0

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