History / Legacy Documentation

wiki(legacy): point at atmosphere-3.x / 2.7.x / 2.6.x branches on the main repo The previous redirect pointed at a legacy-2.7.x tag in the wiki repo itself, which GitHub doesn't render as browseable content. Replaced with a table pointing at the release-line branches of Atmosphere/atmosphere where each branch's in-repo README + CHANGELOG is the canonical legacy reference.

wiki: collapse to redirect stubs — canonical docs live at async-io.live/docs Every wiki page is now a 3-line stub pointing at its Starlight equivalent. The wiki duplicated 26 pages of framework documentation which was drifting from the main docs on every release; replacing with redirects preserves inbound links from old blog posts and forum threads while removing the second surface operators had to keep in sync.

docs: remove jQuery references from migration guide and legacy docs

docs: replace legacy 2.x wiki with Atmosphere 4.0 Home Archive all 135 legacy wiki pages (tagged as legacy-2.7.x). Create new Home, Sidebar, Footer, and Legacy-Documentation pages for Atmosphere 4.0.