Add column in product list

This is an educational sample module designed for PrestaShop developers who want to learn how to extend the back-office product listing. It demonstrates how to add a Manufacturer column to the admin product list, serving as a practical reference for development training rather than a production-ready tool.

• Adds a Manufacturer column to the back-office product list
• Demonstrates override of a Twig template for the admin catalog view
• Illustrates usage of the hooks displayAdminCatalogProductHeader, displayAdminCatalogProductFilter, and displayAdminCatalogListingProductFields
• Shows how to use the actionAdminProductsListingFieldsModifier hook to modify product listing fields

This module is intended strictly for PrestaShop development training purposes. It is suited for developers learning to customize the admin product catalog interface through hooks and template overrides. It is not intended for use in production environments.