include node_modules so release .zip is deployable

node_modules/es5-ext/math/cbrt/shim.js

@@ -0,0 +1,12 @@
+"use strict";
+
+var pow = Math.pow;
+
+module.exports = function (value) {
+	if (isNaN(value)) return NaN;
+	value = Number(value);
+	if (value === 0) return value;
+	if (!isFinite(value)) return value;
+	if (value < 0) return -pow(-value, 1 / 3);
+	return pow(value, 1 / 3);
+};