Update ingress.yaml

Author: anoop7181

docs/deployment/overlays/3-clustered-hpa/skipper/ingress.yaml

@@ -10,6 +10,7 @@ metadata:
     nginx.ingress.kubernetes.io/session-cookie-expires: "172800"
     nginx.ingress.kubernetes.io/session-cookie-max-age: "172800"
     nginx.ingress.kubernetes.io/session-cookie-name: rout
+    nginx.org/websocket-services: "skipper-ingress"
     kubernetes.io/ingress.class: "nginx"
 spec:
   rules:
@@ -32,4 +33,4 @@ spec:
           service: 
             name: skipper-ingress
             port:
-              name: http
+              name: http