docs(kubernetes): add section describing docker usage
This describes caveats like not being able to access /var/run/docker.sock,
not being able to schedule build pods on specific nodes and resource
separation.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
This describes caveats like not being able to access /var/run/docker.sock,
not being able to schedule build pods on specific nodes and resource
separation.