Update README.md with debug-tiles style (#29)

* Update README.md

* Update README.md

Author: louwers

README.md

@@ -7,7 +7,7 @@ You can see the live demos at the following links. You can also access the style
 | [MapLibre World](#maplibre-world-demo-map) | https://demotiles.maplibre.org | https://demotiles.maplibre.org/style.json
 | [OpenMapTiles](tiles-omt),</br>centered around Innsbruck, Austria | https://demotiles.maplibre.org/tiles-omt | https://demotiles.maplibre.org/styles/osm-bright-gl-style/style.json
 | [Terrain](terrain-tiles),</br>centered around Innsbruck, Austria | https://demotiles.maplibre.org/terrain-tiles | https://demotiles.maplibre.org/styles/osm-bright-gl-terrain/style.json
-| [Debug](debug-tiles),</br>demonstrating tile zoom variation | https://demotiles.maplibre.org/debug-tiles | 
+| [Debug](debug-tiles),</br>demonstrating tile zoom variation | https://demotiles.maplibre.org/debug-tiles | https://demotiles.maplibre.org/debug-tiles/style.json
 
 ## MapLibre World demo map