Added example for using image digest in the docker run command
Added example for using image digest in the docker run command

Signed-off-by: Shoubhik Bose <a0696505571c2238d52bc1cdc1a786f47574aefd@gmail.com>

Added explanation for the example with image's digest ( as per @thaJeztah 's comment

Signed-off-by: Shoubhik Bose <a0696505571c2238d52bc1cdc1a786f47574aefd@gmail.com>

Wrapped to ~80 chars

Signed-off-by: Shoubhik Bose <a0696505571c2238d52bc1cdc1a786f47574aefd@gmail.com>

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