Add `Wqa`, `WQa`, `WQA` as user commands mapping to `wqa` (write-quit-all), consistent with the existing `Wq`/`WQ` aliases already present in `init.lua`.
Add
Wqa,WQa,WQAas user commands mapping towqa(write-quit-all), consistent with the existingWq/WQaliases already present ininit.lua.