Update README

We use csentry for GPN nodes

README.md

-ics-ans-gpn-config
-==================
+# ics-ans-gpn-config
 
 Ansible playbook to configure servers on the GPN:
 
 - configure samba so that the interfaces created by docker are not broadcasted to AD and DNS
-
-- Adds csi user to servers
+- add static route to reach cslab networks
+- add csi user to servers
 
 
 This playbook should be applied on all nodes on the GPN (and only on the GPN).
-As we use a static inventory for the GPN machines, this playbook uses the "all" group.
-
-WARNING! Be sure to run this playbook on the proper inventory!
-
 
-Requirements
-------------
+WARNING! Be sure to run this playbook on the proper list of nodes!
 
-- ansible >= 2.7
-- molecule >= 2.19
 
-License
--------
+## License
 
 BSD 2-clause