Add Streets GL (#144)

* Update README.md

Streets GL - OpenStreetMap 3D renderer powered by WebGL2

* Streets GL - OpenStreetMap 3D renderer powered by WebGL2

README.md

@@ -164,6 +164,7 @@ This section is a great place to start if you want to get into improving OpenStr
 * [Tracesmap](https://tracesmap.com/) - A map allowing for planning routes on OsmCarto and OpenTopoMap-derived retina maps.
 * [Visit Sights](https://visitsights.com/) - Suggestions for self-guided sightseeing tours by foot and overview of individual sights all around the world.
 * [Defikarte.ch](https://www.defikarte.ch) - A Map that shows all available defibrillators in Switzerland and Liechtenstein, also used by emergency dispatch centers and rescue services. (ℹ️ German only)
+* [Streets GL](https://github.com/StrandedKitty/streets-gl) OpenStreetMap 3D renderer powered by WebGL2 ([Wiki](https://wiki.openstreetmap.org/wiki/Streets_GL))
 
 ### Mobile Maps