Update README

Author: tomdaley92

README.md

@@ -1,2 +1,16 @@
 # nexus
-Sonatype Nexus Repository Manager 3
+Sonatype Nexus Repository Manager 3 on Docker Swarm
+
+## Requirements
+- Ansible 2.10+
+
+## Installing Dependencies
+```bash
+ansible-galaxy install -r roles/requirements.yaml -p ./roles --force
+```
+
+## Deploy to Docker Swarm
+```bash
+ansible-playbook deploy.yaml -i inventories/production/hosts --vault-id ~/.tokens/master_id
+```
+