This first document gives a high-level overview, without being too technical. It is roughly based on the federation.md proposal. https://join-lemmy.org/docs/en/federation/overview.html We also have a separate document that describes the exact JSON format used by Lemmy, and how the various fields are interpreted. https://join-lemmy.org/docs/en/federation/lemmy_protocol.html The links go to our test instance (which is already federating). It will also be available from dev.lemmy.ml once we dep...