Método: POST
URL: http://localhost:3000/register
{
"username": "testuser",
"password": "testpassword"
}
Método: POST
URL: http://localhost:3000/setup-2fa
{
"username": "testuser"
}
Método: POST
URL: http://localhost:3000/verify-2fa
{
"username": "testuser",
"token": "123456"
}