Adds a fast-spreading pathogen model with quarantine and compliance#359

[catherinedevlin]

Summary

Supersedes #359; includes those commits, adds minor fixes and stylistic changes.

This uses mesa.experimental.

Pathogen Outbreak and Quarantine Compliance Model

Adds a fast-spreading pathogen model with automatic
quarantine and with it compliance rate mechanics.

Resolves #356
Mesa features used

MultiGrid, DataCollector, SolaraViz
make_space_component, make_plot_component
graphical mapping per step with a quarantine indicator
with the latest mesa 3.5 code structure

Mesa version

4
How to run

pip install -r requirements.txt
solara run app.py

@jackiekazil @EwoutH

Screenshots etc. at #359