update doc

README.md

@@ -37,6 +37,8 @@ Twitter: [@neilpangxa](https://twitter.com/neilpangxa)
 - [splynx](https://forum.splynx.com/t/free-ssl-cert-for-splynx-lets-encrypt/297)
 - [archlinux](https://aur.archlinux.org/packages/acme.sh-git/)
 - [opnsense.org](https://github.com/opnsense/plugins/tree/master/security/acme-client/src/opnsense/scripts/OPNsense/AcmeClient)
+- [CentOS Web Panel](http://centos-webpanel.com/)
+- [lnmp.org](https://lnmp.org/)
 - [more...](https://github.com/Neilpang/acme.sh/wiki/Blogs-and-tutorials)
 
 # Tested OS