fix(ui): Update social media icons and add tel: link for phone

[yashkhokhar28]

Which issue does this PR close?

• Closes bug : X (Twitter) icon visibility issue + Email redirection inconsistency #35 .

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Rationale for this change

• Existing social media icons were outdated and inconsistent with current branding.
• The X (Twitter) icon had visibility issues in both light and dark themes.
• Phone numbers were plain text, preventing users on mobile devices from directly calling via the dialer.
• Updating icons + adding tel: support improves UX, accessibility, and consistency.

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What changes are included in this PR?

• Replaced outdated social media icons with updated versions from react-icons/fa6.
• Fixed X (Twitter) icon visibility for both light and dark themes.
• Corrected incorrect usage of <img src={icon}> by rendering icons directly as React components.
• Added tel: links for phone numbers to enable mobile redirection to the dialer app.
• Retained mailto: support for email links.
• Improved hover interactions for icons (hover:text-blue-500 and dark:hover:text-orange-400).
• Standardized sizing with text-2xl for consistent scaling across icons.

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Are these changes tested?

• ✅ Manual testing performed on desktop (Chrome, Firefox) and mobile (Android & iOS).
• ✅ Verified that icons render correctly in both light and dark themes.
• ✅ Confirmed hover states are applied.
• ✅ Confirmed mailto: opens default mail client.
• ✅ Confirmed tel: link opens dialer on mobile devices.

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Are there any user-facing changes?

• Yes

  • Icons are now updated to the latest versions, making them visually consistent with brand guidelines.
  • X (Twitter) icon is now clearly visible in both light and dark modes.
  • Phone numbers are now clickable on mobile → redirect to the dialer app.

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[eccentriccoder01]

Great work again @yashkhokhar28!