Add node modules and compiled JavaScript from main (#172)

Co-authored-by: Oliver King <oking3@uncc.edu>

node_modules/underscore/amd/_getLength.js

@@ -0,0 +1,8 @@
+define(['./_shallowProperty'], function (_shallowProperty) {
+
+	// Internal helper to obtain the `length` property of an object.
+	var getLength = _shallowProperty('length');
+
+	return getLength;
+
+});