Add note about ports to service manifests

Author: Kate Osborn

deploy/manifests/service/loadbalancer-aws-nlb.yaml

@@ -7,7 +7,7 @@ metadata:
     service.beta.kubernetes.io/aws-load-balancer-type: "nlb"
 spec:
   type: LoadBalancer
-  ports:
+  ports: # Update the following ports to match your Gateway Listener ports
   - port: 80
     targetPort: 80
     protocol: TCP

deploy/manifests/service/loadbalancer.yaml

@@ -6,7 +6,7 @@ metadata:
 spec:
   externalTrafficPolicy: Local
   type: LoadBalancer
-  ports:
+  ports: # Update the following ports to match your Gateway Listener ports
   - port: 80
     targetPort: 80
     protocol: TCP

deploy/manifests/service/nodeport.yaml

@@ -5,7 +5,7 @@ metadata:
   namespace: nginx-gateway
 spec:
   type: NodePort 
-  ports:
+  ports: # Update the following ports to match your Gateway Listener ports
   - port: 80
     targetPort: 80
     protocol: TCP