add login/sign-up page with dark/light mode

node_modules/es-iterator-helpers/Iterator.from/polyfill.js

@@ -0,0 +1,9 @@
+'use strict';
+
+var implementation = require('./implementation');
+
+var $Iterator = require('../Iterator');
+
+module.exports = function getPolyfill() {
+	return typeof $Iterator.from === 'function' ? $Iterator.from : implementation;
+};