Support the Product Order flow

• Support a Product Order request
• Realize the Procuct Order by triggering the respective Service Order & Service instantiation

added statusin progress typenew feature labels

assigned to @tranoris

added to epic &23 (closed)

added typeenhancement label and removed typenew feature label

mentioned in merge request !15 (merged)

added statusunder review label and removed statusin progress label

removed statusunder review label

closed