The simplest way is to use Github login
login in the top right corner, then other options: Github. Proceed with github authentication.CoronaWhy in "affiliation" fieldAdd Data at the top nav. There you could create a dataverse (read folder to group related datasets) or a dataset (group of files). Just follow the wizardFiles are not public until they are published. There is a proper data management system to handle the edge cases (official docs)In addition to web access there is an extensive API