[finishes-187354198] user authentication

[Mag-codes]

Purpose

This PR enhances the login functionality of our application, ensuring users can log in using either their email and password or via Google authentication.

Changes Made

1. Email and Password Login:

   • Implemented the ability for users to log in using their email and password.
   • Added error handling to provide feedback when login credentials are invalid.

2. Google Authentication:

   • Included a Google login button, allowing users to authenticate using their Google account.

3. Redirection Handling:

   • Implemented logic to redirect users back to their original page after logging in, or to the homepage ('/') if no previous page is available.

Testing Instructions

1. Email and Password Login:

   • Enter valid email and password credentials and confirm successful login.
   • Test with invalid credentials to ensure appropriate error messages are displayed.

2. Google Authentication:

   • Click the "Continue with Google" button and complete the Google login process.
   • Verify that the user is redirected back to the application with successful authentication.

3. Redirection Handling:

   • Access a protected route while not logged in, which should redirect to the login page.
   • After logging in, verify that you are redirected back to the originally intended route.
   • If no prior route is available, ensure the user is redirected to the homepage ('/').

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[Favor-star]

If they are working that's fine. But could you please consider adding SIGN IN with google on sign up page too?