dev: Some minor renaming to match the strings

add: audit logs for several commands
docs: Updated changelog
fix: xp card user avatar wasn't showing for some users

src/NadekoBot/_common/Attributes/CmdAttribute.cs

@@ -16,6 +16,3 @@ public sealed class CmdAttribute : CommandAttribute
         Summary = memberName.ToLowerInvariant();
     }
 }
-
-[AttributeUsage(AttributeTargets.Method)]
-public sealed class PromptableAttribute: Attribute;

src/NadekoBot/_common/TypeReaders/ModuleTypeReader.cs

@@ -44,8 +44,6 @@ public sealed class ModuleOrExprTypeReader : NadekoTypeReader<ModuleOrExpr>
     }
 }
 
-// todo chagne commands.en-us to have the new type name
-
 public sealed class ModuleOrExpr
 {
     public string Name { get; set; }

src/NadekoBot/_common/_Extensions/UserExtensions.cs

@@ -9,10 +9,8 @@ public static class UserExtensions
         => usr.AvatarId is null ? new(usr.GetDefaultAvatarUrl()) : new Uri(usr.GetAvatarUrl(ImageFormat.Auto, size));
 
     // This method is only used for the xp card
-    public static Uri RealAvatarUrl(this DiscordUser usr)
-        => usr.AvatarId is null
-            ? new(CDN.GetDefaultUserAvatarUrl(ushort.Parse(usr.Discriminator)))
-            : new Uri(usr.AvatarId.StartsWith("a_", StringComparison.InvariantCulture)
-                ? $"{DiscordConfig.CDNUrl}avatars/{usr.UserId}/{usr.AvatarId}.gif"
-                : $"{DiscordConfig.CDNUrl}avatars/{usr.UserId}/{usr.AvatarId}.png");
+    public static Uri? RealAvatarUrl(this DiscordUser usr)
+        => Uri.TryCreate(CDN.GetDefaultUserAvatarUrl(usr.UserId), UriKind.Absolute, out var uri)
+            ? uri
+            : null;
 }