[ENHANCEMENT]: DORA API - Enable Query By Service and Retrieve Service List

[Wolftousen]

• Add A New Endpoint for getting a list of Services (where that list comes from is unknown at this time)
• Update the Data endpoint to accept a Service Name is part of the incoming payload
• When building the Loki Query fill in the Service Name as part of the query if it was supplied just as team name and repository name are