#[0] nip-02 says the content should be ignored, but all major clients (iris, amethyst, others?) use it to serialize the set of preferred relays.  indeed, publishing a contact list with no data can break some clients.

should we document that use case and add it to nip-02?  or deprecate it and refer people to nip-65 (which is inadequate, and is likely why clients are using nip-02)

my suggestion is to:

- document it

- update nip-64 to include the additional relay flags besides read/write that people are using (as well as documenting extensibility)

that way people can stop accidentally wiping out their relay sets by trying other clients