add deps and docs for caddy

README.md

@@ -1,6 +1,8 @@
 # Testing ansible
 ```
-ansible-galaxy collection install -r requirements.yml
-ansible-playbook playbook.yaml
+ansible-galaxy install -r requirements.yml -p roles/galaxy/ --force
+ansible-playbook playbook.yaml # Initialize
+ ansible-playbook -i inventory.yml -e @secrets.enc --ask-vault-pass playbooks/caddy.yaml  # Caddy
 ```
 
+To add secrets: `ansible-vault edit secrets.enc`