Java api code is not generated after clean install.

[XI1998-swapnilmarathe]

It seems that boat maven plugin needs additional generate goal. I tried adding manually, but landed with lots of errors.

Applicable to both:
https://github.com/Backbase/documentation-code-samples/tree/master/service-sdk/11.0.0/migrate-to-open-api/messaging-api
and
https://github.com/Backbase/documentation-code-samples/tree/master/service-sdk/11.0.0/create-openapi-spec-project/messaging-api