webAuth [nfc]: Add link to a new docs-fragment for this protocol.
webAuth [nfc]: Add link to a new docs-fragment for this protocol.

Anders wrote something up a few weeks ago to help the desktop folks
move toward using a version of this protocol.

vishwesh3/zulip-mobile,vishwesh3/zulip-mobile,vishwesh3/zulip-mobile,vishwesh3/zulip-mobile