[FEAT] usc migration create underlaing vlan configuration for f5OS

[daniesch]

Is your feature request related to a problem? Please describe.
Journeys can be used to migrate from VPR to VELOS and do a perfect job of merging the old UCS to be used on the tenant.
There would be a massive benefit if Journeys would output VELOS VLAN config based on the old VCMP guest.

for example CLI commands to create every VLAN that was used on the old System that is planned to be migrated.

Describe the solution you'd like
for example, CLI commands to create every VLAN used on the old System that is planned to be migrated.

Describe alternatives you've considered
Create every VLAN over the GUI or CLI manually