jwt auth view modified, in order to emit hasura claims in the token; docker-compose has the new hasura graphql-engine container; postgres container moved to 12, postgis to 3.0 (taken from official postgis docker image)

atoka extraction of data refactored, in order to make smalle batch requests and avoid timeouts on the server; trapping of exceptions moved inside AtokaConn.get_items_from_ids method; logger injected in AtokaConn class, so that messages and exceptions can be logged from within the connections; extractors' code refactored to take into account this modifications

algorithm to assign appointer in case of posts that can be simultaneously be appointed and appoint corrected

import areas geometries refactored and corrected; geographic partitions are identified by a different identifier