Assorted improvements.

- Add UserService.
- Add "setrep" command.
- Rename confusing methods and variables in AbstractAnimationHandler.
- Change Bayan cooldown to Zero.
- Add crappy "cooldowns" command.

modules/Entertainment/Handler/Fun/Bayan.cs

@@ -1,5 +1,6 @@
 #nullable enable
 
+using System;
 using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 using BotFramework.Attributes;
@@ -12,6 +13,8 @@ namespace West.Entertainment.Handler.Fun
 {
     public class Bayan : AbstractAnimationReply
     {
+        protected override TimeSpan Cooldown => TimeSpan.Zero;
+
         public Bayan(CoreContext db, ILogger<Bayan> logger) : base(db, logger) { }
 
         protected override Regex AnimationMatch