Adding 2FA

# ISSUE
Two-factor authentication (2FA) is an additional layer of security that requires users to provide two separate forms of verification when accessing an account. By implementing 2FA, the web application can significantly reduce the risk of unauthorized access, even if a user's password is compromised.

# FIX
To implement 2FA, use a well-established library or service such as Google Authenticator or Authy. When a user attempts to log in, they will be prompted to provide their password and a unique code generated by the 2FA application. The server will then verify both the password and the code to ensure the user's identity before granting access to the web application.