build region and country data structures
build region and country data structures

MLR-au/olac-visualisation,MLR-au/pdsc-olac-visualisation,MLR-au/olac-visualisation,MLR-au/olac-visualisation,MLR-au/olac-visualisation,MLR-au/pdsc-olac-visualisation,MLR-au/pdsc-olac-visualisation,MLR-au/pdsc-olac-visualisation