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

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

node_modules/underscore/cjs/_keyInObj.js

@@ -0,0 +1,7 @@
+// Internal `_.pick` helper function to determine whether `key` is an enumerable
+// property name of `obj`.
+function keyInObj(value, key, obj) {
+  return key in obj;
+}
+
+module.exports = keyInObj;