Other variants of the application, along with their short description are linked from master branch.
The application is installed using:
npm install
and ran using:
npm start
You can access the application's server directly under http://localhost:6001 or via its BrowserSync access server http://localhost:3000. BrowserSync console is available under http://localhost:3001.
We are going to expand the application by adding another page - Detailed Bill.
Schematically, it can be shown like this: