More README updates to read(?)

ansible/roles/README.md

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+# Roles
+
+Some simple Ansible roles created with `ansible-galaxy init <role> --offline` command
+
+klips/ansible/roles/...
+ -- core - Role to configure a new host with basic authentication / package settings
+ -- docker - Role to install docker, docker-compose, configure docker user group
+ -- nginx - Role to install and configure a new nginx webserver on a host 
+
+All of these roles assume you are using the apt package manager, and running a Debian / Ubuntu system. 
+
+core
+------------
+
+A simple role for configuring a set of packages / settings on a new Ubuntu host using Ansible.
+
+Packages Added / Configured
+ - Git
+ -- Configure / set user name and email
+ - SSH
+ -- MOTD (Template, replacable, displayed on login.)
+ -- PAM (Template, replacable, authusers file to bypass)
+ -- authusers (Add users to file to bypass PAM settings)
+ - Vim
+ -- Install Vim
+ -- Run https://github.com/shaunrd0/klips/scripts/setup-vim.sh
+
+
+docker
+------------
+
+A simple role for installing Docker and Docker Compose on a new Ubuntu host using Ansible. 
+
+
+nginx
+------------
+
+A simple role for installing and configuring nginx on a new Ubuntu host using Ansible. Supports templates for index.html and custom nginx.conf
+