Spatial workshop slides: Deconvolution

[sjspielman]

This issue tracks writing the deconvolution slides

[sjspielman]

This slides have been drafted, but I think it makes sense to tackle #1040 before requesting review since the slide design may change quite a bit with those inserted.

[sjspielman]

First draft of slides is here! https://docs.google.com/presentation/d/14jMZkP3oIjth3VBv9SGtp6acI5-ynbTPjZD9hIMiLK0/edit?usp=drive_link

It is currently Friday afternoon so I will tag folks after the weekend.