Replace Twitter Icon with X Icon and Add Hover Effect

[thevijayshankersharma]

Title

Description

This pull request replaces the Twitter icon in the footer with a custom X icon and adds a hover effect for improved user interaction. The change enhances the website's visual appeal and aligns with branding requirements. Dependencies include CSS for styling and potential SVG or icon format for the X icon.

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Issue Ticket Number

Fixes #60

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Type of change

• New feature (non-breaking change which adds functionality)

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Checklist:

• I have followed the contributing guidelines of this project as mentioned in CONTRIBUTING
• I have checked to ensure there aren't other open Pull Requests for the same update/change?
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes needed to the documentation

[github-actions]

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