Implement "list"/"playlist" commands.

These commands make the bot print out the current playlist in the channel chat. The current track being played back is printed in bold green font.

app.iced

@@ -212,6 +212,16 @@ ts3clientService.on "started", (ts3proc) =>
 			when "empty", "clear"
 				vlc.playlist.clear()
 				ts3query.sendtextmessage args.targetmode, invoker.id, "Cleared the playlist."
+			when "list", "playlist"
+				message = "Currently these tracks are in the playlist:\n"
+				for i in [ 0 .. vlc.playlist.items.count ]
+					if vlc.playlist.currentItem == i
+						message += "[COLOR=green][B]"
+					info = vlcMediaInfo[vlc.playlist.items[i].mrl]
+					message += "#{i + 1}. [URL=#{info.originalUrl}]#{info.title}[/URL]"
+					if vlc.playlist.currentItem == i
+						message += "[/B][/COLOR]"
+				ts3query.sendtextmessage args.targetmode, invoker.id, message
 			when "enqueue", "add", "append"
 				inputBB = paramline.trim()
 				input = (removeBB paramline).trim()