feat: publish native road layer manifest

src/index.js

@@ -9,6 +9,7 @@ module.exports = {
   trafficSignals: require("./traffic-signals"),
   nativeTrafficSignals: require("./native-traffic-signals"),
   nativeRoad: require("./compile/native-road"),
+  layerManifest: require("./compile/layer-manifest"),
   compiler: require("./compile/compiler"),
   check: require("./check"),
 };