Add Submariner's CII Best Practices badge to the README.
Add badges for workflows run against merged code.
Signed-off-by: Daniel Farrell <dfarrell@redhat.com>
With v3, we no longer need to initialise Helm or even provide a local
repository; the charts can be installed directly. We now support make
deploy and make e2e too, document that.
Signed-off-by: Stephen Kitt <skitt@redhat.com>