Releases: sync from docs/guide (rows through v12.3.0-beta.1, checked 22 Oct)
Roadmap and releases: add beta.9, beta.10, stable 12.2.0 and 12.3.0-beta.1 rows, refresh checked stamp
wiki: Somnia 12.2.0 stable
docs: note 12.2.0-beta.10
docs: sync guides for 12.2.0-beta.9
Releases: add v12.2.0-beta.8 row, move latest-checked marker, drop duplicated beta.7 cell
Releases: add v12.2.0-beta.7
Update roadmap and releases for v12.2.0-beta.6
Updated Roadmap and Releases (markdown)
docs: add _Sidebar wiki guide
docs: add _Footer wiki guide
docs: add Studios wiki guide
docs: add Roadmap and Releases wiki guide
docs: add Getting Started wiki guide
docs: add Frameworks wiki guide
docs: add Features wiki guide
docs: add FAQ wiki guide
docs: add Extensions and SDK wiki guide
docs: add Deploy wiki guide
docs: add Contributing wiki guide
docs: add Code Studio wiki guide
docs: add AI and Collaboration wiki guide
docs: create Somnia wiki home and release scope