Add cohort_geometries() to access cohort GeoJSON metadata#1053

adilraza99 wants to merge 6 commits intomalariagen:mastermalariagen/malariagen-data-python:masterfrom

adilraza99:GH435-cohort-geometriesadilraza99/malariagen-data-python:GH435-cohort-geometriesCopy head branch name to clipboard