Add Docker Service with DNS

This skill adds a new service to the Docker Compose homelab with:

1. Automatic DNS record creation via OVH API (if configured)
2. Service YAML file creation in services/
3. SSL certificate provisioning via Let's Encrypt
4. Service startup and verification

Prerequisites

• .env file with DOMAIN configured
• OVH API credentials in .env (optional, for DNS automation)
• scripts/ovh-dns.py script available

Required Information