public function addListTablePage()
    {
        add_submenu_page(
            'options-general.php',
            'Broken links',
            'Broken links',
            'edit_posts',
            'broken-links-detector',
            function () {
                \BrokenLinkDetector\App::checkInstall();

                $listTable = new \BrokenLinkDetector\ListTable();

                $offset = get_option('gmt_offset');

                if ($offset > -1) {
                    $offset = '+' . $offset;
                } else {
                    $offset = '-' . (1 * abs($offset));
                }

                $nextRun = date('Y-m-d H:i', strtotime($offset . ' hours', wp_next_scheduled('broken-links-detector-external')));

                include BROKENLINKDETECTOR_TEMPLATE_PATH . 'list-table.php';
            }
        );
    }