Rewrite fusiondirectory-setup cli tool in PHP

Descriptive title for this enhancement

rewrite the fusiondirectory-setup in php

Actual behavior

actually fusiondirectory-setup is in perl but its difficult to support and in certains distributions like centos 8 support for perl is suboptimal

Expected behavior

be able to convert fusiondirectory-setup to an php porgram run by php-cli

Step by step description of new behaviour

1. [First Step]
2. [Second Step]
3. [and so on...]

Benefits

be able to remove all perl dependancies, and use the ldap lib created in ldap-config-manager

Possible Drawbacks

replacement of perl libraries with core perl libraries

Restrictions

• we should use all core php libraries and avoid using external one
• If we use external one we should check that they run correctly on all the targte os : debian 9-10/ubuntu 16-18-20/centos 7-8