PG 14 release notes, first draft

I have committed the first draft of the PG 14 release notes.  You can
see the most current  build of them here:

    https://momjian.us/pgsql_docs/release-14.html

I need clarification on many items, and the document still needs its
items properly ordered, and markup added.  I also expect a lot of
feedback.

I plan to work on completing this document this coming week in
preparation for beta next week.

-- 
  Bruce Momjian  <bruce@momjian.us>        https://momjian.us
  EDB                                      https://enterprisedb.com

  If only the physical world exists, free will is an illusion.