Add wiki command

[Kas-tle]

Note: Algolia search API key was pushed intentionally; this is already publicly distributed as part of the wiki bundle.

Usage

/wiki <query>

Demo

https://github.com/user-attachments/assets/b07c1b16-c745-48c5-b234-49f4a22302ba

[Kas-tle]

This should be /wiki like it was originally, imo. Could do an alias !search for !wiki, /search should make /wiki show up since it's in the description anyway, but I'd need to test.

Everything else looks good, but I recommend 4 spaces for continuous indention so it looks better.

Changed to /wiki.