Allow console commands to also be typed with a leading slash

pwd/ls/scan/sudo/rm/cd/cat now work as /pwd, /ls, /scan, /sudo, /rm,
/cd, /cat too, delegating to checkConsoleCommando the same way the
bare chat/verify/decode aliasing already delegates the other
direction.

src/Game/Service/GameResponseService.php

@@ -179,6 +179,14 @@ class GameResponseService
 
                 $result = $this->handleVerifyMessage($message, $player);
                 return ['result' => [$result]];
+            case '/pwd':
+            case '/ls':
+            case '/scan':
+            case '/sudo':
+            case '/rm':
+            case '/cd':
+            case '/cat':
+                return $this->checkConsoleCommando(substr($message, 1), $player);
             default:
                 return ['result' => ['Unknown command']];
         }