The source project of this merge request has been removed.
Update installer_base.lib.php to use certbot standalone in creating Lets Encrypt SSL certs for ISPConfig server(s).
Update installer_base.lib.php to use certbot standalone in creating Lets Encrypt SSL certs for ISPConfig server(s). This has been tested as working and thus is ready. As discussed in the thread, we will proceed with this standalone for now and do the webroot authentication later.