Subject: [quicwg/datagram] e09483: Update intro about reliable/unreliable data

From: Tommy Pauly <[email-masked]>
Date: Mon, 27 Sep 2021 15:00:59 -0700

Branch: refs/heads/tfpauly-patch-1
  Home:   https://github.com/quicwg/datagram
  Commit: e09483d13d42a0f318bc5d483e015e0da900edce
      https://github.com/quicwg/datagram/commit/e09483d13d42a0f318bc5d483e015e0da900edce
  Author: Tommy Pauly <[email-masked]>
  Date:   2021-09-27 (Mon, 27 Sep 2021)

  Changed paths:
    M draft-ietf-quic-datagram.md

  Log Message:
  -----------
  Update intro about reliable/unreliable data

Closes #56