Add Http POST

[dr0i]

We need a command to make a POST to an URL, see e.g. https://gitlab.com/oersi/oersi-etl/-/issues/64.
This could also be used not to just make a POST request and get data but also to upload processed data to web service.

[TobiasNx]

The usecase within OERSI needs pagination too:

https://gitlab.com/oersi/oersi-import-scripts/-/blob/master/python/EduSharingHelpers.py#L63