tree 7cdf4a3bdbf533872d35fd85714276d08ef422f9
parent a63d89a9d8b152d34d12fe58de9af3d7af696ecc
author Ghanshyam Mann <gmann@ghanshyammann.com> 1564229118 +0000
committer Ghanshyam Mann <gmann@ghanshyammann.com> 1564229118 +0000

Add release notes page for version 21.0.0

Tempest 21.0.0 has been released [1].
This commit adds a new page for 21.0.0 release notes.

[1] https://review.opendev.org/#/c/670700/

Change-Id: Ic0576f58ceedb5d484d21ca76aef14e8b4c0ff48