chore: update README

README.md

@@ -2,7 +2,7 @@
 
 Terraform + Ansible setup for a self-hosted [Dokploy](https://dokploy.com/) instance.
 
-## Setup
+## Terraform Setup
 
 1. Create a Hetzner Cloud API key
 2. Create a Cloudflare DNS key with `Zone.DNS` edit permission
@@ -74,3 +74,10 @@ env:
   TF_VAR_cloudflare_api_token: ${{ secrets.TF_VAR_CLOUDFLARE_API_TOKEN }}
   TF_VAR_domain_name: ${{ secrets.TF_VAR_DOMAIN_NAME }}
 ```
+
+## Ansible Setup
+
+```yaml
+env:
+  ANSIBLE_SSH_KEY: ${{ secrets.ANSIBLE_SSH_KEY }}
+```