More README updates to read(?)

ansible/README.md

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+# Ansible 
+
+A few simple roles / plays I've been able to piece together in learning how to use Ansible. 
+
+Playbooks
+ - apt-up.yml - Playbook to update servers / groups ad hoc
+ - core.yml  - Playbook example for using core configuration role
+ - docker.yml - Playbook example for using docker install role (Debian / Ubuntu)
+ - hosts - Same ansible hosts file
+ - make-host.yml - Playbook example for using multiple roles together to create a new host
+ - nginx.yml - Playbook example for using nginx role 
+
+Roles 
+ - roles - Basic ansible role created with ansible-galaxy command
+ -- core - Role to configure a new host with basic authentication / package settings
+ -- docker - Role to install docker, docker-compose, configure docker user group (Debian / Ubuntu)
+ -- nginx - Role to install and configure a new nginx webserver on a host 
+