Fixed coding style.

src/Entity/Contracts/NamedElementInterface.php

@@ -1,4 +1,7 @@
 <?php
+
+declare(strict_types=1);
+
 /**
  * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
@@ -20,7 +23,6 @@
 
 namespace App\Entity\Contracts;
 
-
 interface NamedElementInterface
 {
     /**
@@ -29,4 +31,4 @@ interface NamedElementInterface
      * @return string the name of this element
      */
     public function getName(): string;
-}
+}