enhancement: replace matplotlib with ipyvolume

[jeremymanning]

ipyvolume does amazing (and fast!) interactive 3d rendering. let's consider replacing the matplotlib engine with ipyvolume. To discuss:

• handling of plot options and arguments (how can we preserve as much of the current syntax as possible)?
• do we want to continue to support 2d rendering? is that possible/easy with ipyvolume?
• are there other cool things and/or plot styles we could support if we move to ipyvolume?

demo: https://www.youtube.com/watch?time_continue=1374&v=nZ3HQpSXn2U