Add clarifying paragraph about implicit port forwarding

Author: ADubhlaoich

site/content/get-started.md

@@ -475,6 +475,8 @@ Events:       <none>
 
 The cluster was configured with port `8080` as the `containerPort` value, alongside the `nodePort` value of the NodePort service.
 
+By configuring the cluster with the ports `31437` and `31438`, there is implicit port forwarding from your local machine to NodePort, allowing for direct communication to the NGINX Gateway Fabric service.
+
 Traffic flows through NGINX Gateway Fabric: setting the _tea_ and _coffee_ service `port` values to match the NodePort ports makes them accessible.
 
 You can use `curl` to test the new services by targeting the hostname (_cafe.example.com_) with the _/coffee_ and _/tea_ paths: