Documentation / information for the built-in Addons? (Donation shop, dungeon finder, bg finder)

I'm looking for information about the built-in addons shipped in the turtle client.

I'd like to know what slash commands exist, and how to access options for them.

Firstly, I hid the donation shop. But now i decided to donate, and have no idea how to bring it back.

Secondly, I don't like PvP and would like to reclaim the UI space used by the battleground finder. Can I switch it off?

Is there a page that documents these features? Is there a github or gitlab or whatever link to where they're maintained?