Add instruction to add namespace

README.md

@@ -56,6 +56,12 @@ Run the app in Kubernetes
 
 The folder k8s-specifications contains the yaml specifications of the Voting App's services.
 
+First create the vote namespace
+
+```
+$ kubectl create namespace vote
+``
+
 Run the following command to create the deployments and services objects:
 ```
 $ kubectl create -f k8s-specifications/