add dolphinscheduler pipeline service

[darrkz]

Is your feature request related to a problem? Please describe.
I use openmetadata to manage my data and data service, workflow and api service endpoint recently, but I foud it not support dolphinscheduler workflow service

Describe the solution you'd like
I see openmetadata can add pipeline service such as airflow, but I use dolphinscheduler, I need to add dolphinscheduler service

[Holoskevych]

+1

[junshiwang]

+1