More code standards

src/Twig/AppExtension.php

@@ -6,8 +6,20 @@ use Symfony\Component\DependencyInjection\ContainerInterface;
 use Twig\Extension\AbstractExtension;
 use Twig\TwigFilter;
 
+/**
+ * Twig extension
+ * 
+ * Additional formatters for templates
+ * 
+ * @author  Jens True <jens.chr.true@gmail.com>
+ * @license https://opensource.org/licenses/gpl-license.php GNU Public License
+ * @link    https://jcktrue.dk
+ */
 class AppExtension extends AbstractExtension
 {
+    /**
+     * Extend the filters
+     */
     public function getFilters()
     {
         return array(