Add website to DESCRIPTION

Author: olivroy

DESCRIPTION

@@ -13,7 +13,7 @@ Depends: R (>= 2.10)
 Imports: utils, stats, graphics, methods, lattice, sp (>= 0.9-72), zoo, sf (>= 0.7-2), sftime, spacetime (>= 1.2-8), stars, FNN
 Suggests: fields, maps, mapdata, xts, raster, future, future.apply
 License: GPL (>= 2.0)
-URL: https://github.com/r-spatial/gstat/
+URL: https://github.com/r-spatial/gstat/, https://r-spatial.github.io/gstat/
 Encoding: UTF-8
 BugReports: https://github.com/r-spatial/gstat/issues/
 NeedsCompilation: yes