Module functionalities

1. To access the backoffice as an administrator, click on the "BACKOFFICE" menu and enter the following data:USER: demo@demo.com
   PASSWORD: demodemo
2. Log in as: user: demo@demo.es pass: demo123demo
3. Allow customers to pay by direct debit from their account
4. suitable for B2B shops aimed at professionals
5. Allows payment with international direct debits by requesting IBAN and BIC
6. Allows authorisations, of which there are two types: personalised and fixed.
7. Allows the creation of "expiry days" so that the customer can choose the days remaining to make the payment.
8. Displays details of customers who have selected this payment method