Add demo images

README.md

@@ -1,7 +1,24 @@
-# osm-liberty
+# OSM Liberty
+
+A fork of OSM Bright based on free data sources with a mission for a clear good looking design for the
+everyday user.
+
+## Data Sources
+
+- [OSM2VectorTiles](http://osm2vectortiles.org/) as vector data source
+- [Natural Earth Tiles](naturalearthtiles.org) for relief shading
+- [Maki](https://www.mapbox.com/maki-icons/) as icon set
 
 ## Map Design
 
+The map design originates from OSM Bright but strives to reach the clean design and elegance of Google Maps.
+Colored relief shading from Natural Earth makes the low zoom levels look good.
+
+![Europe](demo/europe.png)
+![Switzerland](demo/europe.png)
+![Zurich](demo/zurich.png)
+![Zurich Bürkliplatz](demo/zurich_buerkliplatz.png)
+
 ## Icon Design
 
 A [Maki](https://github.com/mapbox/maki) icon set using colors to distinguish between icon categories.
@@ -22,3 +39,5 @@ Green        | `#76a723`
 1. Take the style JSON file and upload it to the [Maki Editor]().
 2. Apply your changes and download the icon set again.
 3. Ensure you format the JSON first with `cat iconset.json | jq -MS '.'`
+
+## License