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

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

node_modules/underscore/cjs/zip.js

@@ -0,0 +1,8 @@
+var restArguments = require('./restArguments.js');
+var unzip = require('./unzip.js');
+
+// Zip together multiple lists into a single array -- elements that share
+// an index go together.
+var zip = restArguments(unzip);
+
+module.exports = zip;