<commit_before># Checkout application

## Task description
You are to build an application that simulates a shop checkout system. You must build only the application (Work in scripts/checkout.js)

The app reads the requests from orders.js and from employees.js and has to process it, and return the final price.<commit_msg>Update README for checkout<commit_after># Checkout application

## Task description
This is the task at the end of the first training/first 4 chapters.

You are to build an application that simulates a shop checkout system. You must build only the application (Work in scripts/checkout.js)

The app reads the requests from orders.js and from employees.js and has to process it, and return the final price.
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