Add node modules and new code for release (#168)

Co-authored-by: OliverMKing <OliverMKing@users.noreply.github.com>

node_modules/underscore/cjs/tap.js

@@ -0,0 +1,9 @@
+// Invokes `interceptor` with the `obj` and then returns `obj`.
+// The primary purpose of this method is to "tap into" a method chain, in
+// order to perform operations on intermediate results within the chain.
+function tap(obj, interceptor) {
+  interceptor(obj);
+  return obj;
+}
+
+module.exports = tap;