📝 adding note about openmaptiles

src/config.coffee

@@ -1,8 +1,11 @@
 module.exports =
   language: "en"
 
-  source: "http://nachbar.io/data/osm2vectortiles/"
+  # TODO: adapt to osm2vectortiles successor openmaptiles (v3)
+  #source: "http://demo.tileserver.org/data/v3/",
+  source: "http://map.hallonachbarn.com/data/osm2vectortiles/"
   #source: __dirname+"/../mbtiles/regensburg.mbtiles"
+
   styleFile: __dirname+"/../styles/dark.json"
 
   initialZoom: null