[openssl/openssl] 97750c: quic docs: update ddd README.md

[James Muir]

  Branch: refs/heads/openssl-3.2
  Home:   https://github.com/openssl/openssl
  Commit: 97750ca0b2c2fe7fd94e82ae841fec92f7173a35
      https://github.com/openssl/openssl/commit/97750ca0b2c2fe7fd94e82ae841fec92f7173a35
  Author: James Muir <james at openssl.org>
  Date:   2023-11-01 (Wed, 01 Nov 2023)

  Changed paths:
    M doc/designs/ddd/README.md

  Log Message:
  -----------
  quic docs: update ddd README.md

Minor edits (expand MVP acronym, suggest how to install "libuv")

These changes are part of
https://github.com/openssl/project/issues/253

Reviewed-by: Paul Dale <pauli at openssl.org>
Reviewed-by: Hugo Landau <hlandau at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/22543)

(cherry picked from commit bcc04ab287d59e4f680c1a5eb768c19c5f74bea5)