Fix #1151: Updated the /api/v1/libraries endpoint to support listing public libraries of a pod

Closes #1151 (closed)

changed milestone to %0.21.1

added AreaBackend ComponentLibrary TypeNew feature labels

changed target branch from develop to master

enabled an automatic merge when the pipeline for aa8b1b5f succeeds

mentioned in issue #1151 (closed)

merged

mentioned in commit d43eed80