fix(footer): resolve documentation link contrast on hover in light mode

[armanpanigrahi59]

Description

Fixes #625

Pillar

• 🎨 Pillar 1 — New Theme Design
• 📐 Pillar 2 — Geometric SVG Improvement
• 🕐 Pillar 3 — Timezone Logic Optimization
• 🛠️ Other (Bug fix, refactoring, docs)

Visual Preview

Checklist before requesting a review:

• I have read the CONTRIBUTING.md file.
• I have tested these changes locally (localhost:3000/api/streak?user=YOUR_USERNAME).
• I have run npm run format and npm run lint locally and resolved all errors (CI will fail otherwise).
• My commits follow the Conventional Commits format (e.g., feat(themes): ..., fix(calculate): ...).
• I have updated README.md if I added a new theme or URL parameter.
• I have started the repo.
• I have made sure that i have only one commit to merge in this PR.
• The SVG output matches the CommitPulse "premium quality" aesthetic standard (no raw elements, smooth animations, correct fonts).
• (Recommended) I joined the CommitPulse Discord community for contributor discussions, mentorship, and faster PR support.

[vercel]

@armanpanigrahi59 is attempting to deploy a commit to the jhasourav07's projects Team on Vercel.

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[github-actions]

📦 Next.js Bundle Size Report (Gzipped Sizes)

✨ No significant bundle size changes detected.

📊 Summary of Totals

Category	PR Size	Base Size	Difference
Total JS	3958.94 KB	3958.91 KB	+0.04 KB (+0.00%)
Total CSS	327.76 KB	327.67 KB	+0.09 KB (+0.03%)

[Aamod007]

Good catch on the documentation link contrast in light mode. Updating the hover class to text-gray-900 improves accessibility. However, the Vercel check is failing. Please resolve the issues and rerun the CI pipeline.

[Aamod007]

Upon re-evaluation, I realized I previously misinterpreted the Vercel deployment failure as an issue with this PR. The Vercel build failure seems unrelated to the changes introduced here, so I will ignore it moving forward. The rest of the PR looks good, so I'm approving it!

[github-actions]

🎉 Congratulations @armanpanigrahi59! Your PR has been successfully merged. 🚀

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