style fix

Author: siggi-k

src/lib/helpers/FormatHelper.php

@@ -1,5 +1,10 @@
 <?php
 
+/**
+ * @copyright Copyright (c) 2018 Carsten Brandt <mail@cebe.cc> and contributors
+ * @license https://github.com/cebe/yii2-openapi/blob/master/LICENSE
+ */
+
 namespace cebe\yii2openapi\lib\helpers;
 
 class FormatHelper
@@ -17,4 +22,4 @@ public static function getFormattedDescription(string $description, int $spacing
         }, $descriptionArr);
         return implode("\n".str_repeat(" ", $spacing)."*", $descriptionArr);
     }
-}
+}