Document usage

README.md

@@ -44,3 +44,25 @@ Include an entry in your `requirements.yml` like so.
 See the [releases](https://git.autonomic.zone/autonomic-cooperative/autonomic.gandi/releases) for which is the latest version.
 
 Then make sure to download the role with `ansible-galaxy install -r requirements.yml`.
+
+## Example
+
+```yaml
+---
+- hosts: localhost
+  gather_facts: false
+  connection: local
+  tasks:
+    - name: Create foobar.autonomic.zone
+      gandi_dns:
+        rest_api_key: "{{ lookup('env', 'LEXICON_GANDI_AUTH_TOKEN') }}"
+        domain: foobar.autonomic.zone
+        ipv4: 94.130.105.60
+        state: present
+```
+
+## Features
+
+- [x] Create a new DNS entry
+- [x] Delete an existing DNS entry
+- [ ] Update an existing DNS entry