Mention the fact that authz plugins are available today
Mention the fact that authz plugins are available today

Signed-off-by: Lorenzo Fontana <ffb02af6b80e38359481b2b8049b23b32def0ca8@me.com>

riyazdf/cli,e11137/cli,allencloud/cli,e11137/cli,ashfall/cli,docker/cli,redpanda/cli,riyazdf/cli,docker/cli,allencloud/cli,Zebrilee/cli,dnephin/cli,thaJeztah/cli,Zebrilee/cli,redpanda/cli,ashfall/cli,cpuguy83/cli,cpuguy83/cli,dnephin/cli,thaJeztah/cli