Add npm badge, fix example
Add npm badge, fix example

mrohnstock/lrm-tomtom,mapzen/lrm-mapzen,burritojustice/lrm-valhalla,StartupMakers/lrm-graphhopper,kyroskoh/lrm-valhalla,drmonty/lrm-tomtom,drmonty/lrm-tomtom,burritojustice/lrm-valhalla,mrohnstock/lrm-tomtom,burritojustice/lrm-valhalla,perliedman/lrm-graphhopper,perliedman/lrm-graphhopper,drmonty/lrm-tomtom,kyroskoh/lrm-valhalla,mapzen/lrm-mapzen,StartupMakers/lrm-graphhopper