[WIP] Build front-end for supermarket library in React

[Copilot]

React Front-end for Supermarket Library

• Explore existing TypeScript codebase
• Understand the domain models (Product, ShoppingCart, Receipt, Teller, etc.)
• Verify existing tests pass
• Set up React application in the typescript directory
• Create React components for the supermarket UI
  • Product catalog display
  • Shopping cart interface
  • Add items to cart functionality
  • Apply special offers
  • Receipt display
• Integrate React with existing TypeScript models
• Add necessary dependencies (React, ReactDOM, etc.)
• Configure build system for React
• Test the front-end application
• Add basic styling
• Verify all functionality works end-to-end

Original prompt

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This section details on the original issue you should resolve

<issue_title>Build a front-end for this supermarket library</issue_title>
<issue_description>Build a front-end in react for this supermarket library.</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Build a front-end for this supermarket library #29

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