Make contributing information detailed

[IanTapply22]

I think something like contribution rules, how to contribute and open a pull request, coding rules and guidelines to follow, and how to submit changes are some good things to add just so there isn't confusion with anything.

Time Estimate: 2 hours

[DacotahHarvey]

Assume you probably know these already, but reading about what makes a PR easy to review and having the team follow the rough guidelines would be good for future endeavours