fix cs

src/Bundle/ChillPersonBundle/Repository/Person/PersonCenterHistoryInterface.php

@@ -1,10 +1,18 @@
 <?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\Repository\Person;
 
 use Doctrine\Persistence\ObjectRepository;
 
 interface PersonCenterHistoryInterface extends ObjectRepository
 {
-
 }