Update README.md

Author: kumarabd

lab-3/README.md

@@ -73,6 +73,11 @@ To just get the first port of istio-ingressgateway service, we can run this:
 ```sh
 kubectl get service istio-ingressgateway -n istio-system --template='{{(index .spec.ports 1).nodePort}}'
 ```
+### 3.2.2 - Create a DNS entry:
+
+Modify you local `/etc/hosts` file to add an entry for your sample application.
+
+`127.0.0.1. bookinfo.meshery.io`
 
 The HTTP port is usually 31380.