- Add ChangelogList component and changelog data fetcher
- Add platform icons for install tabs
- Add sync-changelog workflow (triggers on release publish)
- Add changelog sync script and releases-cn.json data
- Update InstallTabs and docs meta
- Extract LandingNav into shared component with lang/active props
- Add Home and Community nav items with active state highlighting
- Deepen landing background (#0b1120), strengthen hero glow, add CSS noise texture
- Sync changelog page to use shared nav and semantic colors
- Create /[lang]/community page with QQ, WeChat, Discord, GitHub Discussions