use the beta-warning area to tell the user what VERSION of docker, git branch, and links to the official release version docs are. requires / extends PR #5272 Docker-DCO-1.1-Signed-off-by: Sven Dowideit <SvenDowideit@fosiki.com> (github: SvenDowideit) Upstream-commit: dc982d3053bf46e03ad27c29d4662a9d5ba5e819 Component: engine