Most RFC authoring guides are available at IETF Authors guide: https://authors.ietf.org/
This repository uses mmark for the writing.
To add authorship, an example entry on the title area of main.md can be:
[[author]]
initials = "J."
surname = "Doe"
fullname = "John Doe"
organization = "independent"
[author.address]
email = "[email protected]"