Update Wiki Repository Links - Point release and issue tracker links at the soullessjump GitHub namespace.
Updated Home (markdown)
Fix wiki screenshot aspect ratio
Document active placement focus
Document drop-in Litematica replacement
removed litematica from install
Updated init commit msg
Document Servux discard safety and configs
Unify first project setup instructions
Document supported selection modes
Clarify area selection project setup
Document converting existing schematics
Restructure alpha documentation
Add Gitmatica wiki home page