Add centos support for ldap
Add Check for Debian and Centos Based OS Add Several Package for Centos Add few shell command for joining LDAP as described here (https://www.epfl.ch/campus/services/wp-content/uploads/2019/09/Configuration-de-lacces-securise-a-lannuaire-LDAP.html#_rhel_6_x_amp_fedora_16)