Genesis city top-down map website and mapping script, 6-month renewal

Maintain, update and improve https://genesis.city/, a top-down view map of Decentraland’s world. This is an extension of the previous grant: https://governance.decentraland.org/proposal/?id=b8219300-900f-11ec-9794-c9ea21a9ed8f We’ll keep maintaining the website, running the mapping script weekly, and improving everything according to community feedback.