Add Demo

Author: winstonma

Demo.gif

@@ -4,6 +4,9 @@ This is a boilerplate on the dockerize MERN stack, which includes a React fronte
 
 In this demo, I just created the docker wrapper for the application. The code is based on the [classsed-graphql-mern-apollo](https://github.com/hidjou/classsed-graphql-mern-apollo) by hidjou. The application demonstrates the end-to-end CRUD (create, read, update, and delete) functionality.
 
+## Demo
+![Demo](Demo.gif)
+
 ## Run the demo
 
 1. Install [Docker](https://docs.docker.com/get-docker/)