feat: render additional info to teamer invoice

src/BusProNet/ResponseParser.php

@@ -260,6 +260,7 @@ class ResponseParser
                 ->setStreet((string) $item->strasse)
                 ->setPhone((string) $item->telefon)
                 ->setType((string) $item->art)
+                ->setCostUnit($item->kostenstelle)
             ;
             $hotels[$busProId] = $hotel;
         }
@@ -281,4 +282,4 @@ class ResponseParser
 
         return $optionsResolver->resolve($options);
     }
-}
+}