Update backend to enable all users to sign in only using email and password

FeaturesAccount Management
MoSCoWMust
OwnerAmani
SizeM
Sprint5
StatusDone
  1. Update backend to enable all users to sign in only using email and password
    • Acceptance Criteria:
      • The backend authentication system should be updated to allow all users to sign in using their email and password.
      • User authentication should be secure and handle various edge cases.