Add node modules and new code for release (#168)

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

node_modules/underscore/cjs/negate.js

@@ -0,0 +1,8 @@
+// Returns a negated version of the passed-in predicate.
+function negate(predicate) {
+  return function() {
+    return !predicate.apply(this, arguments);
+  };
+}
+
+module.exports = negate;