Mark Goddard 9c1434cf4e Add docs and release note for CentOS 8
Adds info on supported distros to support matrix. Adds release note
about CentOS 7 drop and dropped images.

Change-Id: I0ada13af2fe57de550c1703d636436190e5d489a
Partially-Implements: blueprint centos-rhel-8
2020-04-06 17:37:05 +01:00
..
2020-02-11 16:11:06 +08:00
2020-02-11 16:11:06 +08:00