Add GeoJSON leaflet example

Author: mevdschee

examples/clients/leaflet/vanilla.html

@@ -23,8 +23,7 @@
 	}).addTo(mymap);
 
 	L.geoJSONURL({
-		url: "http://localhost:8000/src/geojson/countries/1,2?bbox={bbox}",
-		//url: "http://localhost:8000/src/geojson/users?filter=location,swi,POLYGON(({lon1} {lat1},{lon1} {lat2},{lon2} {lat2},{lon2} {lat1},{lon1} {lat1}))",
+		url: "http://localhost:8000/api.php/geojson/countries/1,2?bbox={bbox}",
 	}).addTo(mymap);
 </script>