When a acceptable zoom level is reached, the frontend is going to
query the DB for the eligibility data associated to the region the
user is viewing.
When requesting too much data, the frontend gets pretty slow. In order
to prevent that, we require a minimal zoom level before triggering the
actual request.
Adding an interactive map with a geocoding search bar. We use leaflet
with the openstreetmap.fr tiles. As for the geocoding part, we use
komoot's photon API for the time being.