Contributor Guide

[jbazalar]

A one page file that tells contributors how to submit pull requests for the website.

[capsulecorplab]

Started working on a generic contributor guide that tries to cut out a lot of the why and focuses more on the how, but it would cater more specifically to the GitFlow style workflow...

[ykcab]

@jbazalar are you going to add it to a pipeline checks or just a baseline temple?