cs: Fix code style (safe rules only).

src/Bundle/ChillPersonBundle/Validator/Constraints/AccompanyingPeriod/ParticipationOverlap.php

@@ -1,15 +1,22 @@
 <?php
+
+/**
+ * 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.
+ */
+
 declare(strict_types=1);
 
 namespace Chill\PersonBundle\Validator\Constraints\AccompanyingPeriod;
 
 use Symfony\Component\Validator\Constraint;
 
-
 /**
  * @Annotation
  */
 class ParticipationOverlap extends Constraint
 {
     public $message = 'This participation already exists.';
-}
+}