chore: init frontend-source directory with tooling scaffold

Former-commit-id: 435fb8e3e4f8e334ad3b0e95052edbdd9547d197

frontend-source/scripts/node_modules/@pkgjs/parseargs/internal/util.js

@@ -0,0 +1,14 @@
+'use strict';
+
+// This is a placeholder for util.js in node.js land.
+
+const {
+  ObjectCreate,
+  ObjectFreeze,
+} = require('./primordials');
+
+const kEmptyObject = ObjectFreeze(ObjectCreate(null));
+
+module.exports = {
+  kEmptyObject,
+};