###1) Filter the restaurants by type https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/filter
###2) Get the subset of restaurants near the middle http://turfjs.org/examples/turf-centroid/
http://turfjs.org/examples/turf-buffer/
http://turfjs.org/examples/turf-inside/
###3) Find the x
nearest restaurants to everyone
https://www.mapbox.com/api-documentation/#distance
###4) Render the restaurants as markers on the map https://www.mapbox.com/mapbox-gl-js/api/
###5) When user selects a restaurant, get driving directions from each person to the restaurant https://www.mapbox.com/api-documentation/#directions
###6) Draw the route lines onto the map https://www.mapbox.com/mapbox-gl-js/api/