Email Authentication

1. Firebase Console:

   • Go to the Firebase Console.
   • Create a new project or select an existing one.
   • Enable Email/Password authentication in the Authentication section.

2. Project Configuration:

   • Add the google-services.json file to your android/app directory.
   • Add the GoogleService-Info.plist file to your ios/Runner directory.

3. Code Integration:

   • Email authentication is implemented in lib/services/auth_service.dart. Refer to the methods in this file to handle sign-in, sign-up, and sign-out operations.
   • Use AuthService().signInWithEmail(email, password) to authenticate using email.