add form species

src/Entity/Species.php

@@ -6,6 +6,7 @@ use App\Repository\SpeciesRepository;
 use Doctrine\Common\Collections\ArrayCollection;
 use Doctrine\Common\Collections\Collection;
 use Doctrine\ORM\Mapping as ORM;
+use Symfony\Component\Validator\Constraints as Assert;
 
 #[ORM\Entity(repositoryClass: SpeciesRepository::class)]
 class Species
@@ -16,12 +17,15 @@ class Species
     private ?int $id = null;
 
     #[ORM\Column(length: 255)]
+    #[Assert\NotBlank]
     private ?string $scientific_name = null;
 
     #[ORM\Column(length: 255)]
+    #[Assert\NotBlank]
     private ?string $vernacular_name = null;
 
     #[ORM\Column(length: 255)]
+    #[Assert\NotBlank]
     private ?string $region = null;
 
     /**