partyRole.csv: Add independentMonitor code

schema/project-level/codelists/partyRole.csv

@@ -12,3 +12,4 @@ interestedParty,Interested party,"A party that has expressed an interest in the
 publicAuthority,Public Authority,The entity responsible for developing the infrastructure assets and/or delivering the public services in this project.,OC4IDS
 administrativeEntity,Administrative Entity,The entity responsible for contract administration.,OC4IDS
 climateFinanceFocalPoint,Climate finance focal point,An entity that serves as the interface between the government of the country in which the infrastructure project is located and climate finance funders. The focal point is responsible for identifying and/or endorsing project ideas prior to submission to the climate finance funder.,OC4IDS
+independentMonitor,Independent monitor,An independent organization appointed to monitor whether a project is being carried out in accordance with applicable anti-corruption laws and regulations.,OC4IDS