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

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

node_modules/underscore/cjs/_isBufferLike.js

@@ -0,0 +1,8 @@
+var _createSizePropertyCheck = require('./_createSizePropertyCheck.js');
+var _getByteLength = require('./_getByteLength.js');
+
+// Internal helper to determine whether we should spend extensive checks against
+// `ArrayBuffer` et al.
+var isBufferLike = _createSizePropertyCheck(_getByteLength);
+
+module.exports = isBufferLike;