feedback backend and frontend added and many bug fixed

[rajshivam0432]

Description

The changes made in this pull request should be briefly described.

Resolves: [Issue Number]

Checklist

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• [x] Have you adhered to the repository's defined coding convention rules?
• [x] Have you updated the 'documentation.md' file with the method/function documentation?
• [x] Have you sent a message along with the result or response?
• [x] Have you used the try-catch technique?
• [x] Has the method/class been added to the documentation (md file)?

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Additional Notes/Comments

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I certify that I have carried out the relevant checks and provided the requisite screenshot for validation by submitting this pull request. I appreciate your contribution.

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