Add Giveaway Page with Timer & Leaderboard

[Samridha0305]

Description

This PR introduces a brand-new Giveaway Page to the RecodeHive platform, aiming to boost community engagement and reward contributions.

Fixes #202

##What’s New:
📆 Live Countdown Timer (ends on August 15, 2025)

🏆 Static Leaderboard for top participants

🎉 Confetti animation on load (via canvas-confetti)

🎨 Responsive, attractive layout with Tailwind CSS

📁 File added at: src/pages/dashboard/giveaway/index.tsx

##Changes Made:
Created giveaway/index.tsx under src/pages/dashboard

Added a custom timer logic using useEffect and useState

Used dynamic import() for confetti animation

Applied Tailwind CSS for clean, modern UI

Minor updates in dashboard/index.tsx to support Giveaway nav

[vercel]

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[github-actions]

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[sanjay-kv]

This was good PR , Thanks

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
recode-website	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jul 29, 2025 1:13am

[sanjay-kv]

the deployment failed. every time you push PR do npm run build

[Samridha0305]

the deployment failed. every time you push PR do `npm run build`

I'll give to you tomorrow morning with no error