Polygon

• https://aiphub.tower.zone/polygon/longitude,latitude{+longitude,latitude}
  Plot polygon as GeoJSON on map, example: https://aiphub.tower.zone/polygon/49.1655,2.3648+48.5929,1.9555+48.5984,2.7713+49.1655,2.3648
• https://aiphub.tower.zone/polygon/ [POST]
  Plot polygon as GeoJSON on map from list of one longitude,latitude per line.
  49.1655,2.3648 48.5929,1.9555 48.5984,2.7713 49.1655,2.3648