WebMercatorQuad tile matrix set

• CRS: http://www.opengis.net/def/crs/EPSG/0/3857
• Uri: http://www.opengis.net/def/tilematrixset/OGC/1.0/WebMercatorQuad
• Well Known Scale Set: http://www.opengis.net/def/wkss/OGC/1.0/GoogleMapsCompatible