FEATURE [absence][in_progress] add absence property to user, create form, controller, template, migration and menu entry

src/Bundle/ChillMainBundle/Routing/MenuBuilder/UserMenuBuilder.php

@@ -78,6 +78,15 @@ class UserMenuBuilder implements LocalMenuBuilderInterface
 
             $nbNotifications = $this->notificationByUserCounter->countUnreadByUser($user);
 
+            //TODO add an icon? How exactly? For example a clock icon...
+            $menu
+                ->addChild($this->translator->trans('absence.Set absence date'), [
+                    'route' => 'chill_absence_user',
+                ])
+                ->setExtras([
+                    'order' => -8888888,
+                ]);
+
             $menu
                 ->addChild(
                     $this->translator->trans('notification.My notifications with counter', ['nb' => $nbNotifications]),