Add jenkins build status to readme
Add jenkins build status to readme

Signed-off-by: Vincent Demeester <87e1f221a672a14a323e57bb65eaea19d3ed3804@sbr.pm>

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