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/server.js

@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./server.node');