Queue System Components

Queue mechanism components

@TODO: expand on these components and how they fit together.

Docker Compose file(s); eg. .ddev/docker-compose.dispatcherd.yml
Docker image(s); eg.
- Packer build config
- Provisioning scripts:
  - Shell
  - Ansible:
DDEV command to re-deploy and re-start the queue worker
Make targets for Packer image builds
Make targets for DDEV (especially pulling new images)
Incorporate these images into CI as services
document the Drupal console commands aegir:input, aegir:log, and aegir:exitcode and how they interact with relayd/dispatcherd