update the display of OSM in place_map

[commaneverends]

find a better way to make the access to all places easy (instead of clicking the coins)

resource:

• https://ircama.github.io/osm-carto-tutorials/map-client/
• https://medium.com/@nargessmi87/how-to-embede-open-street-map-in-a-webpage-like-google-maps-8968fdad7fe4