$config->setItemsPerPage($this->getParameter('wallabag_core.items_on_page'));
$config->setRssLimit($this->getParameter('wallabag_core.rss_limit'));
$config->setLanguage($this->getParameter('wallabag_core.language'));
+ $config->setReadingSpeed($this->getParameter('wallabag_core.reading_speed'));
$em->persist($config);