visualize food trucks

[danielduhh]

Food trucks are one day only... maybe icons ?

[danielduhh]

This is part of #48. We should add a timestamp, or expiration date on all map features.

[stephencerqueira]

Creating new point file for temporary food trucks (Friday only). Based on timestamp, app will either pull temporary food trucks or the other booths (for Saturday and Sunday). Will add final temporary food truck point geojson when map is finalized.