ONAP R4+ Onboarding VNFD based on ETSI NFV SOL001

Reference:

ETSI NFV SOL001 v2.5.1:

https://www.etsi.org/deliver/etsi_gs/NFV-SOL/001_099/001/02.05.01_60/gs_NFV-SOL001v020501p.pdf

 VNFD related TOSCA type definitions:

https://forge.etsi.org/rep/nfv/SOL001/blob/master/etsi_nfv_sol001_vnfd_2_5_1_types.yaml.