new ZoomLevel(resolution, options)
The zoom level scheme of the map is usually the same as that of the tile layer, in which case the application
does not need to explicitly set the zoom level scheme. The application needs to invoke this method only when
the map has multiple tile layers and the zoom level schemes of the tile layers are different.
Map resolution (map units per pixel).
The config specifies the Universe parameters. It can have the following attributes.
The newly created ZoomLevel object.