Implement HA-IP endpoints #44
Description
Is your feature request related to a problem? Please describe.
Implement the /haips and /haips/{haipName}/* endpoints for listing all colocations and subelements in your account.
Describe the solution you'd like
A the required HaIp, HaIpService, etc. classes in transip/v6/objects.py.
See https://github.com/roaldnefs/python-transip/blob/main/transip/v6/objects.py for an example.