- docker-compose: OAuth vars commented out by default
- env.example: added WordPress Advanced section with CONTAINER docs
- DOCKER_README: added CONTAINER to env var table with usage notes
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Previously excluded from community edition by mistake.
This template has placeholder values only (no real secrets)
and is needed for the Quick Start: `cp env.example .env`
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>