docker/l3d#74 Move all documentation to devops-tools doc

README.md

-# Updating PHP Version
+# PHP
 
-```
-# Example: from 7.1 to 7.3
-
-ascr role php
-
-# - Move FPM Conf from 7.1 to 7.3
-# - Remove www FPM Conf from 7.3
-# - Stop FPM 7.1
-# - Restart FPM 7.3
-
-
-a -m service -a "name=php7.1-fpm state=stopped enabled=no"
-a -m service -a "name=php7.3-fpm state=started enabled=yes"
-ascr jailkit-upgrade
-
-# On the Host
-update-alternatives --config php
-etckeeper commit -m "After PHP update to PHP 7.3"
-```
+You find all the details in the [full documentation](https://devops-tools.docs.lakedrops.com/ansible/roles/php/).