add deps and docs for caddy

.gitignore

@@ -0,0 +1 @@
+/roles/galaxy/*

README.md

@@ -1,6 +1,8 @@
 # Testing ansible
 ```
-ansible-galaxy collection install -r requirements.yml
+ansible-galaxy install -r requirements.yml -p roles/galaxy/ --force
-ansible-playbook playbook.yaml
+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`

collections/requirements.yml

@@ -0,0 +1,4 @@
+---
+collections:
+  - name: community.general
+  - name: community.docker

requirements.yml

@@ -1,2 +1,5 @@
-collections:
+---
-- name: community.docker
+
+- src: git+https://github.com/caddy-ansible/caddy-ansible.git
+  version: v3.2.0
+