updated readme

README.md

@@ -1,6 +1,8 @@
-# users ansible role.
+# Ansible role for creating OS user
 Create user and optionally put user into sudoers. By default, user is added to ssh_access group. Group will be created if not exist.
 
+URL: https://xpk.headdesk.me/git/xpk/role.users
+
 ## Required variables:
 ```
 user:
@@ -33,3 +35,8 @@ Create a playbook like this
 
 Or genpw.py which generates random password and a hash at the same time.
 
+
+## Tested on
+- RHEL7
+- CentOS7
+- Ubuntu18