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

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

node_modules/underscore/amd/index-default.js

@@ -0,0 +1,12 @@
+define(['./index', './mixin'], function (index, mixin) {
+
+	// Default Export
+
+	// Add all of the Underscore functions to the wrapper object.
+	var _ = mixin(index);
+	// Legacy Node.js API.
+	_._ = _;
+
+	return _;
+
+});