Enhanced Footer Component

[Gunjan10-droid]

📄 Description

This PR enhances the existing Footer Component to fully align with Issue #53. Added aria-label to social icons for screen reader support, moved socialLinks and footerLinks outside the component for performance, adjusted colors for better readability.

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✅ Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code where necessary
• I have made corresponding changes to the documentation
• My changes generate no new warnings or errors
• I have linked the related issue using Fixes #issue_no

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📎 Related Issue

Fixes #53

[vercel]

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[github-actions]

Thanks for creating a PR for your Issue! ☺️

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