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/AbstractAnimationReply.cs

@@ -19,7 +19,7 @@ namespace West.Entertainment.Handler.Fun
 
         private readonly ILogger _logger;
 
-        private static TimeSpan Cooldown => TimeSpan.FromMinutes(new Random().Next(10, 1337));
+        protected virtual TimeSpan Cooldown => TimeSpan.FromMinutes(new Random().Next(10, 1337));
 
         protected Message? Message => RawUpdate.Message;
 
@@ -57,14 +57,14 @@ namespace West.Entertainment.Handler.Fun
             if (!AnimationMatch.IsMatch(text.ToLower()) || text.StartsWith("/set") || !CanHandle()) return false;
 
             var animationFileId = (await GetAnimationFileOption()).GetValue(string.Empty);
-            var lastUseOption = await GetLastUseOption();
+            var nextUseOption = await GetNextUseOption();
 
             _logger.LogDebug("Animation: {Text}, ToLower: {ToLowerText}", 
                 Message!.Text, Message!.Text!.ToLower());
             
             if (animationFileId.IsNullOrEmpty()) return false;
             
-            var nextUseDt = lastUseOption.GetValue<DateTime>();
+            var nextUseDt = nextUseOption.GetValue<DateTime>();
             if (nextUseDt > DateTime.Now)
             {
                 _logger.LogInformation("{Name} is on cooldown for chat \"{ChatTitle}\". Will be available at {Time}",
@@ -76,8 +76,8 @@ namespace West.Entertainment.Handler.Fun
             await Bot.SendAnimationAsync(Chat.Id, animationFileId, 
                 replyToMessageId: GetMessageIdToReply() ?? Message?.MessageId);
 
-            lastUseOption.SetValue(DateTime.Now + Cooldown);
-            _db.MarkAsModified(lastUseOption);
+            nextUseOption.SetValue(DateTime.Now + Cooldown);
+            _db.MarkAsModified(nextUseOption);
             
             return true;
         }
@@ -87,7 +87,7 @@ namespace West.Entertainment.Handler.Fun
             return await _db.UserValues.FindOrCreateOption(Chat.Id, $"{GetAnimationName()}File");
         }
 
-        private async Task<BotUserValue> GetLastUseOption()
+        private async Task<BotUserValue> GetNextUseOption()
         {
             return await _db.UserValues.FindOrCreateOption(Chat.Id, $"{GetAnimationName()}NextUse");
         }

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