DX: Add a DQL AGE function to calculate age between two dates

src/Bundle/ChillMainBundle/DependencyInjection/ChillMainExtension.php

@@ -22,6 +22,7 @@ use Chill\MainBundle\Controller\UserController;
 use Chill\MainBundle\Controller\UserJobApiController;
 use Chill\MainBundle\Controller\UserJobController;
 use Chill\MainBundle\DependencyInjection\Widget\Factory\WidgetFactoryInterface;
+use Chill\MainBundle\Doctrine\DQL\Age;
 use Chill\MainBundle\Doctrine\DQL\Extract;
 use Chill\MainBundle\Doctrine\DQL\GetJsonFieldByKey;
 use Chill\MainBundle\Doctrine\DQL\JsonAggregate;
@@ -243,6 +244,7 @@ class ChillMainExtension extends Extension implements
                             'datetime_functions' => [
                                 'EXTRACT' => Extract::class,
                                 'TO_CHAR' => ToChar::class,
+                                'AGE' => Age::class,
                             ],
                         ],
                         'hydrators' => [