[openssl/openssl] 63df86: Add CODE-OF-CONDUCT.md

[Matthias St. Pierre]

  Branch: refs/heads/master
  Home:   https://github.com/openssl/openssl
  Commit: 63df86b041aaafba3e4998b2e3872fa8695a2377
      
https://github.com/openssl/openssl/commit/63df86b041aaafba3e4998b2e3872fa8695a2377
  Author: Dr. Matthias St. Pierre <matthias.st.pie...@ncp-e.com>
  Date:   2022-08-18 (Thu, 18 Aug 2022)

  Changed paths:
    A CODE-OF-CONDUCT.md

  Log Message:
  -----------
  Add CODE-OF-CONDUCT.md

Fixes #18820

Reviewed-by: Tomas Mraz <to...@openssl.org>
Reviewed-by: Paul Dale <pa...@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/19002)