Add Flask Backend to Implement Core Functionality

[shubhranshu-sahu]

Title: Add Flask Backend to Implement Core Functionality

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Description

The current project is purely static (HTML & CSS only) with no backend or data persistence. I would like to enhance the project by adding a Flask backend to provide dynamic functionality.

Proposed Enhancements

• Set up a basic Flask backend structure
• Add routes to handle data - Implement simple data storage (SQLite or JSON-based initially)
• Prepare the project for future enhancements (API endpoints, user-specific data)

Benefits

• Move from a static to a dynamic application
• Allow saving and retrieving progress instead of manual updates
• Lay the groundwork for future features like authentication

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Please assign labels and this issue to me so that I can start working on it.

[Piyus563]

pls add the level