Update Readme

README.md

@@ -1,6 +1,14 @@
 # kazoo-ansible
 Ansible Playbooks to orchestrate the various components of [2600hz Kazoo](https://github.com/2600hz/kazoo).
 
+## Pre-release Notice
+kazoo-ansible is currently in a pre-release state and may introduce backward 
+incompatible changes until 1.0.0 is released and this notice is removed. 
+This is to provide an opportunity to greatly improve kazoo-ansible without 
+needing to wait for a major release. Once we are happy with kazoo-ansible, 
+it will be released as 1.0.0 and subject to backward compatibility 
+guarantees.
+
 ## Features
 - Automatically clusters CouchDB, Freeswitch, Kamailio, and Kazoo
 - Let's Encrypt TLS certificate generation for Monster UI, including 
@@ -22,11 +30,27 @@ by default to prevent untested versions from making it into production
 ## License
 MIT License
 
+## Installation Instructions
+- Install CentOS 7 on all of the hosts that will be managed by kazoo-ansible
+- Enable password-less SSH for the user that will run kazoo-ansible on all of 
+the hosts that will be managed by kazoo-ansible
+- Enable password-less sudo on all of the hosts that will be managed by 
+kazoo ansible
+- Install all of the roles from [kazoo-ansible at Ansible Galaxy](https://galaxy.ansible.com/kazoo-ansible/)
+- Clone this GitHub repository
+- Edit `group_vars/all` and `site.yml` to your liking
+- Add hosts for each role in `site.yml` in `/etc/ansible/hosts`
+- Run `ansible-playbook site.yml`
+
+## Using kazoo-ansible with Existing Playbooks
+If you want to use kazoo-ansible with existing playbooks, simply
+
 ## Contributions
 There are many ways to contribute:
 - Suggestions
 - Bug Reports
 - Pull Requests
+- Donations
 
 ## Versioning Strategy
 This project uses [Semantic Versioning](http://semver.org). In 

group_vars/all

@@ -1,5 +1,10 @@
 ---
 kazoo_domain: kazoo.lan
+
+# Uncomment the line below and comment the kazoo_tls variables to enable 
+# Let's Encrypt
+# kazoo_enable_lets_encrypt: yes
+
 kazoo_tls_certificate: |
   -----BEGIN CERTIFICATE-----
   MIIDpzCCAo+gAwIBAgIJAPlntr4foo1sMA0GCSqGSIb3DQEBCwUAMGoxCzAJBgNV