Use bqplot to allow users to draw curves interactively

[ksunden]

bqplot has a feature that allows drawing, this could be useful for cases like:

Where we may want to get close then rerun with a narrower range

https://bqplot.readthedocs.io/en/stable/_generate/bqplot.interacts.HandDraw.html?highlight=draw#bqplot-interacts-handdraw