Add bash completion for `service create|update --network-(add|rm)`
Add bash completion for `service create|update --network-(add|rm)`

Signed-off-by: Harald Albers <64b2b6d12bfe4baae7dad3d018f8cbf6b0e7a044@albersweb.de>

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