add: Youtube link to Rate Limited video (#1221)

Co-authored-by: “GabrielAzion” <“gabriel.alves@azion.com”>

src/content/docs/en/pages/main-menu/reference/secure/edge-firewall/rules-engine.mdx

@@ -178,6 +178,10 @@ As the Rate Limit is applied by IP address of Global and by rule, if a rule has
 The `Maximum Burst size` is only available for the `Req/s` (request per second).
 :::
 
+Learn how to configure rate limited to Azion's Web Application Firewall.
+
+	<iframe width="560" height="315" src="https://www.youtube.com/embed/SdD-1jZ_tK4?si=_-G2wxiKrREJVZJF" loading="lazy" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>
+
 ### Set WAF Rule Set 
 
 <Tag severity="info" client:only="vue">Requires WAF</Tag>