docs(wiki): sync v2.14.1 发布语义 prerelease→stable Latest(与 Releases 页一致)
docs(wiki): sync v2.14.1 导航与更新节(prerelease;文档站下载页同步)
docs(wiki): sync v2.7.8 导航与 64 号实施能力(notes-only)
docs(wiki): add Home index + sidebar linking to docs-site (Pages); remove stub
Updated Home (markdown)
Initial Home page