Most basic geojson file, plotting a rectangle

note.md

From https://stackoverflow.com/questions/64765846/mapbox-rectangle-line-from-bounds-from-two-points

rectangle.geojson

{
  "geometry": {
    "coordinates": [
      [
        [
          17.76069212, 
          59.22761885
        ],
        [
          17.76069212,
          59.44007814
        ],
        [
          18.20001876,
          59.44007814
        ],
        [
          18.20001876,
          59.22761885
        ],
        [
          17.76069212, 
          59.22761885
        ]
      ]
    ],
    "type": "Polygon"
  },
  "type": "Feature",
  "properties": {}
}