feat: integrate with flysystem for xml data

src/BusProNet/XmlLoader/HotelLoader.php

@@ -56,8 +56,7 @@ class HotelLoader extends AbstractLoader
 
     private function loadXml(?string $filename = 'hotel.xml'): Crawler
     {
-        $filepath = $this->xmlPath.'/'.$filename;
-        $xml = file_get_contents($filepath);
+        $xml = $this->xmlExport->read($filename);
 
         return new Crawler($xml);
     }
@@ -82,4 +81,4 @@ class HotelLoader extends AbstractLoader
         $hotel = $this->loadById($hotelId);
         $travel->hotel = $hotel;
     }
-}
+}