There's a letter box in the train station

There's a letterbox here, on the supermarket's wall

Crêperie de la plage
Crêpes salées ou sucrées, natures ou garnies, dugustez la Bretagne
Réservations: 0256239582 ou 0782278685

Le Galatée: 0256233968

This road is locally known as "chemin du colorado", and the neighbourgh called "quartier Notre-Dame".
That would to make this appear on the map, I'm not sure how to do this myself; could you help?

rue piétonne, en escalier

via StreetComplete 27.0

Attached photo(s):
https://westnordost.de/p/24279.jpg