Added resource for broadcasting on notes-2-8.md (#426)
Added resource for broadcasting on notes-2-8.md (#426)

Added an excerpt from the Python Data Science Handbook by Jake VanderPlas available on the author's github as an additional resource to broadcasting.
fastai/course-v3,fastai/course-v3,fastai/course-v3,fastai/course-v3,fastai/course-v3,fastai/course-v3,fastai/course-v3