Add averbode study area

Author: stijnvanhoey

notebooks/data/averbode/study_area.geojson

@@ -0,0 +1,8 @@
+{
+"type": "FeatureCollection",
+"name": "study_area",
+"crs": { "type": "name", "properties": { "name": "urn:ogc:def:crs:EPSG::31370" } },
+"features": [
+{ "type": "Feature", "properties": { "fid": 0 }, "geometry": { "type": "Polygon", "coordinates": [ [ [ 191594.636644636746496, 191489.229103483259678 ], [ 191745.672989219106967, 191546.990878340788186 ], [ 191823.972283980780048, 191401.944643757306039 ], [ 191657.960664440237451, 191340.759948905557394 ], [ 191594.636644636746496, 191489.229103483259678 ] ] ] } }
+]
+}