feat: ignored room types

closes #869bvbmcw

src/BusProNet/Constants.php

@@ -70,4 +70,7 @@ final class Constants
     // Baby room constraints
     public const BABY_MAX_AGE = 2;
     public const BABY_ROOM_CODE = 'Baby';
+
+    // Pseudo price room - used for website display only, not bookable
+    public const PSEUDO_PRICE_ROOM_CODE = 'PDGS';
 }