Update Redis README

Related to #1032

memorystore/redis/README.md

@@ -13,3 +13,21 @@ Follow the instructions in [this guide](https://cloud.google.com/memorystore/doc
 ## Running on Google App Engine Flex
 
 Follow the instructions in [this guide](https://cloud.google.com/memorystore/docs/redis/connect-redis-instance-flex) to deploy the sample application on GAE Flex.
+
+## Running Locally
+
+To run this sample locally, follow these instructions:
+
+In one terminal, [run Redis](https://redis.io/topics/quickstart):
+
+```sh
+redis-server
+```
+
+In another terminal, run the Node application:
+
+```sh
+node server.js
+```
+
+Visit the following `localhost` URL to test your server that connects to Redis and observe a persistant "Vistor number".