Focuses mostly on documenting what to do before the RC cut.
Also removes mentions of the release board. It seems that working on the normal milestone board worked well.
* docs(epic-workflow): add epic delivery guide on how to manage epics
* docs(epic-workflow): add QA sub tasks to list
* chore: add a new point
* chore: update guide link
* docs(release): add release process guide for internal contributors
* docs(release): clarify who must cherry-pick
* docs(release): update critical bugs and how to version
Jonathan Rainville