Add Ardupilot Support

[rob-clarke]

Adds an initial ArduPilot image build and integration Works with the starling-mavros image

TODO:

• [x] Use correct dialect in MAVROS image
• [ ] ~Propogate gazebo rename~
• [ ] ~Test gazebo rename~
• [ ] ~Test under Kubernetes~
• [ ] Document example deployment
• [x] Add compose file
• [ ] Rebase

Closes #60