Detail on map location-setting screen

A little detail ✨ on the user's location setting screen.

Here the user should be able to set up the area they want to explore with a location point and a distance area.

👉 The slider on top allows making the selected area larger or smaller. Instead of giving complex and detailed information on the distance in meters/feet or time to travel (much more complex to develop) we opted to just use icons to hints the user on the distance they were about to select: if it was fine for walking 🚶 or might need transports 🚗

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