Feature request: add a `split` operation like Shapely's...

[araichev]

...described at https://shapely.readthedocs.io/en/stable/manual.html#shapely.ops.split .
Apparently this has been on the GEOS todo list for a while.

[oreilles]

I'll keep this opened as a reminder to track the GEOS issue status. It seems to have some activity, and I'd much rather wait for their implementation rather than writing yet another one.