fix(express): wait for app cfg before user fetch

README.md

@@ -96,6 +96,9 @@ Creates a new instance of the Rownd client. It requires the following object pro
 - `app_key` - Your Rownd application key.
 - `app_secret` - Your Rownd application secret.
 
+Optionally, you can also pass in the following properties:
+- `timeout` - The number of milliseconds to wait before timing out a request. Defaults to 10 seconds. If you're on a slow network and see any "Request timed out" errors, try increasing this value.
+
 Example:
 
 ```js

examples/express/server.js

@@ -1,8 +1,10 @@
 const express = require('express');
-const { rownd } = require('../../');
+const Rownd = require('../../');
 
 const app = express();
 
+const rownd = Rownd.createInstance();
+
 const { authenticate } = rownd.express;
 
 app.get('/', (req, res) => {