Add Person's external identifiers to creation and edit form

src/Bundle/ChillPersonBundle/PersonIdentifier/IdentifierViolationDTO.php

@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\PersonBundle\PersonIdentifier;
+
+/**
+ * Data Transfer Object to create a ConstraintViolationListInterface.
+ */
+class IdentifierViolationDTO
+{
+    public function __construct(
+        public string $message,
+        /**
+         * @var string an UUID
+         */
+        public string $code,
+        /**
+         * @var array<string, string>
+         */
+        public array $parameters = [],
+        public string $messageDomain = 'validators',
+    ) {}
+}