cs: Fix code style (safe rules only).

src/Bundle/ChillMainBundle/Templating/Widget/WidgetInterface.php

@@ -1,5 +1,12 @@
 <?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.
+ */
+
 namespace Chill\MainBundle\Templating\Widget;
 
 use Twig\Environment;
@@ -7,4 +14,4 @@ use Twig\Environment;
 interface WidgetInterface
 {
     public function render(Environment $env, $place, array $context, array $config);
-}
+}