Fix and test for Functional::Producer
This fixes typos in the Functional::Producer, and adds example/test for:
Produce -> Transform -> Consume
\
-> ConsumePlease be advised that registry.cern.ch registry (Registry Service) will be unavailable next Monday, March 10th starting at 08:00h (Geneva time) for a short period of time. This may cause temporary disruptions to your workflows. Further information: OTG0154905
This fixes typos in the Functional::Producer, and adds example/test for:
Produce -> Transform -> Consume
\
-> Consume