Update README file structure

[archa-s-ar]

📌 Description

This PR updates the README.md project structure to accurately reflect the current repository organization.

Changes Made

• Updated the project directory tree to match the latest repository structure.
• Added newly introduced directories and files.
• Removed outdated or obsolete entries.
• Updated the backend and frontend folder structures.
• Fixed a minor spelling typo in the README for improved documentation quality.

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🔗 Related Issue

Closes #283

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🛠️ Type of Change

• Bug fix
• New feature
• UI/UX improvement
• Performance improvement
• Code refactoring
• Documentation update
• Security fix
• Testing improvement
• Other (please specify)

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✅ Checklist

• My code follows the project's coding style
• I have tested my changes properly
• I have checked for console errors
• I have updated documentation if required
• This PR does not break existing functionality
• I have linked the related issue correctly

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🌐 Additional Notes

This PR only updates the project documentation and does not introduce any functional changes.

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