Custom field to customer, Prestashop 1.7.7

1. Put all content inside x modules/ps_customercedula.
2. Go to install module.
3. Clean cache in the admin area Advanced Parameters / Performance.

Warning:

• this create/delete the field cedula in the customer table.
• Prestashop copy the customer class in the override folder.

Thanks to

• https://github.com/friends-of-presta/demo-cqrs-hooks-usage-module
• https://github.com/frederic-benoist/fbsample-extracustomerfield