Add section for retina support
Add section for retina support

HydroLogic/Windshaft,wsw0108/Windshaft,manueltimita/Windshaft,wsw0108/Windshaft,HydroLogic/Windshaft,wsw0108/Windshaft,CartoDB/Windshaft,CartoDB/Windshaft,HydroLogic/Windshaft,manueltimita/Windshaft,CartoDB/Windshaft,manueltimita/Windshaft