refactor: consume external road compiler

scripts/road-workbench.js

@@ -5,7 +5,7 @@ const { execFileSync } = require("child_process");
 const path = require("path");
 const { readAreaConfig } = require("./lib/area-config");
 const { parseArgs } = require("./compile-native-roads");
-const { startWorkbench } = require("../packages/road-compiler/workbench/server");
+const { startWorkbench } = require("@osm-asset/road-compiler/workbench/server");
 
 const repoRoot = path.resolve(__dirname, "..");
 const args = parseArgs(process.argv.slice(2));