wip: service descriptions and car license plate field

src/BusProNet/Model/Service.php

@@ -93,4 +93,7 @@ class Service
 
     #[Groups(['api:single'])]
     public ?string $rawAgeConstraintData = null;
+
+    #[Groups(['api:single', 'api:list'])]
+    public ?string $description = null;
 }