build(deps): add react-router-dom

Install react-router-dom to support client-side navigation. This is a prerequisite for implementing the multi-step authentication flow and other routed features.

Additionally, this commit includes minor copy improvements to the password reset forms for better clarity.

node_modules/react-dom/cjs/react-dom-test-utils.development.js

@@ -0,0 +1,24 @@
+/**
+ * @license React
+ * react-dom-test-utils.development.js
+ *
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+"use strict";
+"production" !== process.env.NODE_ENV &&
+  (function () {
+    var React = require("react"),
+      didWarnAboutUsingAct = !1;
+    exports.act = function (callback) {
+      !1 === didWarnAboutUsingAct &&
+        ((didWarnAboutUsingAct = !0),
+        console.error(
+          "`ReactDOMTestUtils.act` is deprecated in favor of `React.act`. Import `act` from `react` instead of `react-dom/test-utils`. See https://react.dev/warnings/react-dom-test-utils for more info."
+        ));
+      return React.act(callback);
+    };
+  })();