Add node modules and new code for release (#57)

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

node_modules/underscore/amd/_baseIteratee.js

@@ -0,0 +1,15 @@
+define(['./identity', './isFunction', './isObject', './isArray', './matcher', './property', './_optimizeCb'], function (identity, isFunction, isObject, isArray, matcher, property, _optimizeCb) {
+
+  // An internal function to generate callbacks that can be applied to each
+  // element in a collection, returning the desired result — either `_.identity`,
+  // an arbitrary callback, a property matcher, or a property accessor.
+  function baseIteratee(value, context, argCount) {
+    if (value == null) return identity;
+    if (isFunction(value)) return _optimizeCb(value, context, argCount);
+    if (isObject(value) && !isArray(value)) return matcher(value);
+    return property(value);
+  }
+
+  return baseIteratee;
+
+});