Fixing generic doc providers from calendar + fix cs

src/Bundle/ChillActivityBundle/Repository/ActivityDocumentACLAwareRepositoryInterface.php

@@ -1,5 +1,14 @@
 <?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\ActivityBundle\Repository;
 
 use Chill\DocStoreBundle\GenericDoc\FetchQuery;