chore: Update `README.md`

Some of the relevant documentation for setting up the project + some linting related dependencies should probably get thrown in the `README.md` for people joining the project. The current set up document is linked below but clarifying documentation would be a good move.

**Setup Document:** https://docs.google.com/document/d/1JvdaxarsJOU5kWM5vpZ45n2pSuzxb5zVRgtiNZiWCMA/edit?usp=sharing