Adding link to CTA-2088 (#271)

index.html

@@ -321,6 +321,7 @@ <h3>Security specifications</h3>
           <li>Upgrade Insecure Requests [[!UPGRADE-INSECURE-REQUESTS]]</li>
           <li>Web Cryptography API [[!WEBCRYPTOAPI]]</li>
         </ul>
+        <p>Note: Along with these security standards for the user agent, all IoT devices should be designed with security in mind. An industry-developed voluntary consensus standard for a minimum security "baseline" for IoT devices can be found at <a href="https://shop.cta.tech/collections/standards/cybersecurity">https://shop.cta.tech/collections/standards/cybersecurity</a>.</p>
       </section>
       <section>
         <h3>Web Performance specifications</h3>