Link the browser demo to its key setup instructions

examples/browser-agent/index.html

@@ -18,7 +18,7 @@
   <p role="status" id="status"></p>
   <label for="reply">Reply</label><br>
   <textarea id="reply" rows="12" cols="30" readonly></textarea>
-  <p><a href="https://github.com/vercel-labs/fx/blob/b9f8b733803f170d1a09cadf1bf5033e04bf44ed/examples/README.md#run-an-example">Code and setup</a></p>
+  <p><a href="https://github.com/vercel-labs/fx/blob/8b8d12d2280556a23ae45667fe7ad157f2db882c/examples/README.md#run-an-example">Code and setup</a></p>
 </main>
 <script type="module" src="/main.js"></script>
 </html>