CLI: conduit pipelines ls

[raulb]

This command will list the running pipelines.

It requires having Conduit previously running.

Flags

Name	Description	Required	Default Value
grpc.address	address for serving the gRPC API	No	":8084"

--help

$ conduit pipelines ls
NAME            STATUS
my-pipeline     running
my-other        degraded      

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Part of #1911