Following points are to be noticed regarding the solution provided

• As the addresses given store_directory.json doesn't contain longitude and latitude therefore used Google APIs to convert those addresses to co-ordinates and stored in locations.json file and used it in the app instead of store_directory.json.
• Used bootstrav4.0 for styling.
• Didn't use redux as it was told not to in order to maintain the simplicity of the app.

1. run yarn install or npm install (to install dependencies)
2. run yarn start or npm start (to run the app at http://localhost:3000).