DOC: Add reference in keywords arguments to Line2D mathplotlib
Keyword arguments in `pandas.plotting.bootstrap_plot` doesn't clearly specify argument options

- [ ] closes #xxxx
- [ ] tests added / passed
- [x] passes `black pandas`
- [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff`
- [ ] whatsnew entry

Can you please rebase?

this should resolve CI issue I agree with @WillAyd , we shouldn't probably make this Matplotlib specific. The stuff added here could be helpful, but we need a better way to document the backend specific parameters. Closing.