config - web site basemap URL

[hannesaddec]

In PG_featuretiles we do have in the config options the possibility to set the BASEMAP URL with the following:

[Website]

URL for the map view basemap

BasemapUrl = "http://a.tile.openstreetmap.fr/hot/{z}/{x}/{y}.png"

Currently the same is hardcoded in vector tiles in the assets/preview-function.html - is there a way to expose this in the config option as well to the config file ?