✅ Week 15: Completed full authentication with protected routes

[Abdulrahman-Midraara]

✅ Week 15: Note Taking App with Auth

This PR contains the complete implementation of Week 15 assignment requirements. Below is a summary of completed work as per the instructions:

✅ MVP Requirements – Completed

• 🛠️ Project setup completed (client & server)
• 🔐 Authentication flow (register, login, logout)
• 🔒 Protected routes using <ProtectedRoute />
• 🧭 Navbar with dynamic navigation based on auth state
• ✅ Auth slice: login, register, logout, checkAuthStatus using Redux Toolkit & createAsyncThunk
• 📄 Forms built with react-hook-form + zod
• 🧪 Fully tested:
  • Register ✅
  • Logout ✅
  • Login ✅
  • Protected routes redirect ✅
  • Unauthorized access redirect ✅

🧠 Final Notes:
All code follows mentor’s structure, with inline comments and maintainable logic. All functionality has been tested.

✅ Ready for review.