First add your AWS credential in src/aws-credential.js
Then you can run following step to start this demo app on local machine:
Install dependencies
Build code package. It correctly bundles React in production mode and optimizes the build for the best performance.
Runs the app in the development mode.
Open http://localhost:3000 to view it in the browser.
The page will reload if you make edits.
You will also see any lint errors in the console.