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

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

node_modules/underscore/cjs/_isArrayLike.js

@@ -0,0 +1,10 @@
+var _createSizePropertyCheck = require('./_createSizePropertyCheck.js');
+var _getLength = require('./_getLength.js');
+
+// Internal helper for collection methods to determine whether a collection
+// should be iterated as an array or as an object.
+// Related: https://people.mozilla.org/~jorendorff/es6-draft.html#sec-tolength
+// Avoids a very nasty iOS 8 JIT bug on ARM-64. #2094
+var isArrayLike = _createSizePropertyCheck(_getLength);
+
+module.exports = isArrayLike;