db.ts, setup.ts, delete.ts: change lfgSettings to use generator function for map key
joinEvent.ts: add first half of WL system, add system to reduce spam/abuse of this system.
commandUtils.ts: fix sendDirectMessage to return right promise
Add active_event db table
Rename gameSelection button to gameSelection for consistency
Fix prefill for DateTime modal to correctly parse time and to not misparse other embeds
Add autoCleanup to finalize step
Add whole createEvent step
Code usability updates to event-creation utils