Started work on WL Event system, minor update to other files for consistency

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

db/populateDefaults.ts

@@ -1,5 +1,4 @@
 // This file will populate the tables with default values
-
 import { dbClient } from '../src/db.ts';
 
 console.log('Attempting to insert default actions into command_cnt');