Procurement method rationale classifications

Adds an array to the tender object to classify the procurement method rationale.

To use this extension, add this URL to your package's extensions array:

Schema

The extension defines these fields in the Tender object from OCDS:

Field	Title	Description	Type(s)
`procurementMethodRationaleClassifications`	Procurement method rationale classifications	The classifications of the procurement method rationale.	array of Classification objects