more progress, whats next

Author: sg-writer

docs/universal-gateway/overview.mdx

@@ -76,3 +76,7 @@ ngrok's IAM functionality enables you to:
 - [**Intercept and rewrite headers**](/universal-gateway/examples/rewrite-headers-redirects/): Intercept 302 redirect headers to preserve UX and agent behavior.
 
 ## What's next?
+
+- Explore key concepts for working with the Universal Gateway such as [endpoint types](#), [protocols](#), [bindings](#), and [pooling](#).
+- Check out the [Universal Gateway examples collection](/docs/universal-gateway/examples/) to see how to implement even more common use cases.
+- Proceed to the Guides section to get started with ngrok as an [API gateway](/guides/api-gateway/get-started/), [device gateway](/guides/device-gateway/agent/), [identity-aware proxy](#), or for [site-to-site connectivity](/guides/identity-aware-proxy/securing-with-oauth/).