added help for tanner

src/Game/Command/HelpCommand.php

@@ -17,6 +17,7 @@ public function fire()
         $help_msg .= "The villagers win if they eliminate all the werewolves. The werewolves win if they equal or outnumber the remaining players.\r\n\r\n";
         $help_msg .= "Special Roles\r\n------------------------\r\n";
         $help_msg .= " |_ Seer - A villager who, once each night, is allowed to see the role of another player. The bot will private message you.\r\n";
+        $help_msg .= " |_ Tanner - A player not on the side of the villagers or the werewolves who wins if is killed.\r\n";
         $help_msg .= " |_ Bodyguard - A villager who may protect a player from being eliminated once each night, but not the same person two nights in a row.\r\n\r\n";
         $help_msg .= "Available Commands\r\n------------------------\r\n";
         $help_msg .= "|_  !start - Starts a new game with everyone in the channel participating\r\n";