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

Added a new video listing.

Thanks! I notice that this is a paid video tutorial while the rest of the tutorials linked on this page are free.

@jreback do we have a policy for highlighting paid tutorials? we shouldn’t have any paid tutorials  - only completely free