🔧 Implement Navigation Between Landing, Login, and Register Pages

[zainphp]

Ensure smooth navigation between Landing, Login, and Register pages. Each of these three pages must provide navigation links/buttons to the other two pages, creating a clear and intuitive flow for new and returning users.

✅ Tasks

• Add navigation link from Landing → Login (eefd79d)
• Add navigation link from Landing → Register (eefd79d)
• Add navigation link from Login → Landing
• Add navigation link from Login → Register (eefd79d)
• Add navigation link from Register → Landing
• Add navigation link from Register → Login
• Test navigation flow to ensure there are no broken links

📌 Notes

• Keep navigation simple and visible (e.g., button or link in header/footer).
• Make sure navigation respects responsive design for desktop and mobile.
• Use Next.js <Link> for client-side transitions.