Add map interactivity

[tbicr]

Description

Map interactivity can significantly improve UX providing useful information as:

• houses selection with house numbers, postcodes
• (not now) entrances selection (or hovering) with ref and flats
• POI with addr, contacts
• countries wiki
• protected areas, lakes and rivers

Approaches to solve issue:

• https://docs.mapbox.com/mapbox-gl-js/example/query-similar-features/
• https://github.com/mapbox/utfgrid-spec