add bash completion support for pause and unpause
add bash completion support for pause and unpause

Signed-off-by: Michael Scharf <64b2b6d12bfe4baae7dad3d018f8cbf6b0e7a044@scharf.gr>

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