ext_tables.php

<?php
defined('TYPO3_MODE') || die('Access denied.');

call_user_func(
    function($extKey)
    {

        \TYPO3\CMS\Extbase\Utility\ExtensionUtility::registerPlugin(
            'Seuserpue.Simpleseeuser',
            'Userlisting',
            'Simpleseeuser - userlisting'
        );

        \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addStaticFile($extKey, 'Configuration/TypoScript', 'To see user');

    },
    $_EXTKEY
);