GitHub Issues Workflow for Chef

This RFC codifies the workflow of Chef maintainers while maintaining issues and contributions for Chef.

Special thanks to @btm / @lamont-granquist / @danielsdeleo / @mcquin / @adamedx / @jdmundrawala  who has helped put the first version come together.
That will be explained in the document Adam will post. But majority means > 50%. If we end up with a high number of maintainers for a given component that statement will be re-evaluated.