This project was bootstrapped with Create React App.
Another functional purpose only for boilerplate / barebone how to use redux with react-app. All start in folder 'src'
Important folder redux => src/actions & src/reducers
The react-redux gate function put together in src/index.js with set createStore, thunk, Redux-Dev-Tools (safe mode for production), and more.
Onward, you will get following comment statement
READ MORE: https://redux.js.org/basics/usage-with-react