Inventory: Populate new reference table, Q3

For certain functionality in Q3 to work, these reference table would need to be populated with the data residing in mod-inventory-storage:

Data:  mod-inventory-storage/reference-data/instance-relationship-types

End-point:  /instance-relationship-types/

These entries are needed in order to create relationships between instances for analytics and bound-with in Q3
(there has been talk about not using a qualifier when creating relationships, but it's required as things currently stand, so analytics and bound-with will not work in Q3 without it)

Data: mod-inventory-storage/reference-data/modes-of-issuance
End-point:  /modes-of-issuance/

Data: mod-inventory-storage/reference-data/instance-statuses
End-point: /instance-statuses/

These entries are needed in order to assign a cataloging status to an instance or to describe its mode of issuance.

No need to populate these:

mod-inventory-storage/reference-data/cataloging-levels 

It was recently added but turns out its a duplicate of instance-statuses

mod-inventory-storage/reference-data/statistical-code-types 

Statistical codes are still work-in-progress on the instance record, thus not complete in Q3

Not Q3, coming later:
Still in a branch (MODINVSTOR-190-add-electronic-relationship)

mod-inventory-storage/reference-data/electronic-accesss-relationships

Yet to be implemented in mod-inventory-storage:

alternative-title-types