Was happy to find this plugin, have not yet tested it. I would suggest adding a 'Peer Type' where it's one of these, at bare minimum, and perhaps configurable choices, but at bare minimum:
This is helpful if one were to use this to automatically create peering policy configurations, which would be impossible to do without knowing the relationship of the peer.
Think localpref as an example of one attribute one would set based on peer type, which is typically higher for customer and settlement free peers than it would be for paid transit.