feat: use query parameters for booking urls

src/Model/BookingQueryParams.php

@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Model;
+
+use Symfony\Component\Serializer\Attribute\SerializedName;
+use Symfony\Component\Validator\Constraints as Assert;
+
+readonly class BookingQueryParams
+{
+    public function __construct(
+        #[SerializedName('date_id')]
+        #[Assert\NotNull]
+        #[Assert\Positive]
+        public int $dateId,
+
+        #[SerializedName('hotel_id')]
+        #[Assert\NotNull]
+        #[Assert\Positive]
+        public int $hotelId,
+
+        public ?string $agency = null,
+        public string $theme = 'base',
+
+        #[SerializedName('r')]
+        public ?string $returnUrl = null,
+    ) {}
+}