Added ban reason to .log userbanned (and if you used nadeko to ban someone, it will also show the mod who did the ban because nadeko adds it to the reason)

src/NadekoBot/Modules/Administration/ServerLog/ServerLogCommandService.cs

@@ -945,11 +945,25 @@ public sealed class LogCommandService : ILogCommandService, IReadyExecutor
                 ITextChannel? logChannel;
                 if ((logChannel = await TryGetLogChannel(guild, logSetting, LogType.UserBanned)) == null)
                     return;
+
+
+                string? reason = null;
+                try
+                {
+                    var ban = await guild.GetBanAsync(usr);
+                    reason = ban?.Reason;
+                }
+                catch
+                {
+                    
+                }
+                
                 var embed = _eb.Create()
                                .WithOkColor()
                                .WithTitle("🚫 " + GetText(logChannel.Guild, strs.user_banned))
                                .WithDescription(usr.ToString()!)
                                .AddField("Id", usr.Id.ToString())
+                               .AddField("Reason", string.IsNullOrWhiteSpace(reason) ? "-" : reason)
                                .WithFooter(CurrentTime(guild));
 
                 var avatarUrl = usr.GetAvatarUrl();