feat: selectable country for custom destinations

src/Model/DestinationDto.php

@@ -10,6 +10,9 @@ class DestinationDto
     #[Assert\NotBlank(message: 'Bitte angeben')]
     private ?string $product = null;
 
+    #[Assert\Choice(choices: ['a', 'ch', 'd', 'f', 'i'], message: 'Ungültige Auswahl')]
+    private ?string $country = null;
+
     #[Assert\NotNull(message: 'Bitte das Beginndatum angeben')]
     private ?\DateTimeImmutable $dateFrom = null;
 
@@ -52,6 +55,18 @@ class DestinationDto
         return $this;
     }
 
+    public function getCountry(): ?string
+    {
+        return $this->country;
+    }
+
+    public function setCountry(?string $country): static
+    {
+        $this->country = $country;
+
+        return $this;
+    }
+
     public function getDateFrom(): ?\DateTimeImmutable
     {
         return $this->dateFrom;