Create SFMTABikewayNetwork.geojson

From https://data.sfgov.org/Transportation/SFMTA-Bikeway-Network/sshc-gutj
Via GDAL's ogr2ogr -f "GeoJSON" -s_srs "EPSG:102643" -t_srs "WGS84" output.json SFMTA_Bikeway_Network.shp
And jq . output.json