Cloud Orchestration: relaunch page

Service Orchestration subpage

Rename site to service pipelines, because orchestration is not a popular wording.
It would be nice to publish Franz Rhee as contact, not necessarily the email but name and photo would be great. TBD in Outreach meeting.
review text
Add Links to use cases or blog entries of pipelines. Point out the use of the use case in the headline.

For Relaunch of Cloud Provider Page see #501 (closed)