Create a data science tutorial for forecasting

[evanameyer1]

What is it?

Create a .ipynb tutorial for how to use pyoso to conduct forecasting

[linear[bot]]

OSO-754 Create a data science tutorial for forecasting

[evanameyer1]

Raw link in insights: https://github.com/opensource-observer/insights/blob/main/tutorials/forecasting.ipynb

Automated push to oso docs through actions: https://github.com/opensource-observer/oso/pull/3915