fixed the dark mode issue and issue#56

[trahulprabhu38]

Pull Request Checklist

closes #56

Screen.Recording.2024-10-07.at.11.02.14.PM.mov

• added the backend logic.
• fixed the text of the homepage and dark mode UI.
• Since most of the files were in php i tried added the logic , i never worked with them so ive tried to fix something. Have a look.

Type of Change

• Bug fix
• New feature
• Documentation update
• Refactoring
• Other (please describe):

Checklist

• I have tested my changes and ensured they work as expected.
• I have added necessary documentation (if applicable).
• I have reviewed my code for style and linting issues.
• I have ensured that any dependent changes are merged before this PR.

Additional Notes

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