wip: insurance booking phases 1 and 2

src/BusProNet/Model/Insurance.php

@@ -25,6 +25,9 @@ class Insurance
     #[Groups(['api:single', 'api:list'])]
     public ?string $label = null;
 
+    #[Groups(['api:single', 'api:list'])]
+    public ?string $subType = null;
+
     #[Groups(['api:single', 'api:list'])]
     public ?float $price = null;