Fix non-functional mail icon in footer

[prashantkumarniraj]

This PR fixes the footer mail icon by linking it to a valid mailto address,
ensuring consistent behavior with other social icons.

Fixes #555

Summary by CodeRabbit

• Style

  • Replaced Twitter icon with X across the site.
  • Simplified responsive heading sizing on the About page.

• New Features

  • Added GitLab and Discord social links to the footer.

[vercel]

@prashantkumarniraj is attempting to deploy a commit to the AOSSIE Team on Vercel.

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[coderabbitai]

📝 Walkthrough

Walkthrough

This update addresses UI/UX improvements across the website by updating social media branding (Twitter to X), fixing the non-functional footer mail link, and refining responsive typography in the About page for better visual consistency and user experience.

Changes

Cohort / File(s)	Summary
Social Media Icon Updates src/components/Footer.jsx, src/pages/index.jsx	Replaced FontAwesome Twitter icon (faTwitter) with X Twitter icon (faXTwitter) to reflect current branding across footer and homepage.
Footer Mail Link Fix src/components/Footer.jsx	Converted mail link from Next.js Link component to a standard anchor tag; reorganized and added social links (GitLab, GitHub, Discord) for consistent link handling.
Responsive Typography Adjustments src/pages/about.jsx	Simplified responsive breakpoints by removing sm:text\-6xl and md breakpoint overrides from About and GSOC section headings, reducing unnecessary size scaling at intermediate screen sizes.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Poem

🐰✨ A hop and a skip, the icons now align,
X marks the spot where Twitter once did shine,
Mail links now work, a functional delight,
Typography flows smooth, left and right,
Our burrow of code grows cleaner, more bright! 🌟

🚥 Pre-merge checks | ✅ 2 | ❌ 3

❌ Failed checks (3 warnings)

Check name	Status	Explanation	Resolution
Linked Issues check	⚠️ Warning	The PR implements the mail icon fix from issue #555 but also includes unrelated Twitter icon updates and typography changes not required by the linked issue.	The PR should focus solely on the mail icon fix mentioned in the title. The Twitter icon and typography changes are out of scope for issue #555.
Out of Scope Changes check	⚠️ Warning	The PR includes changes beyond the mail icon fix: Twitter icon replacements in Footer and index components, and typography adjustments in the About page.	Remove unrelated changes (Twitter icon updates and About page typography fixes) to keep the PR focused on fixing the non-functional mail icon.
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The PR title specifically mentions fixing the non-functional mail icon in the footer, which is the primary objective addressed in this changeset.

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✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

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