Added product descriptions to the Prom.ua upload in Ukrainian.

Added product descriptions to the Prom.ua upload in Ukrainian. If a Russian-language catalog is being exported, and there is also a similar card in Ukrainian, then the fields "Name_Ukr" and "Description_Ukr" will be added.

Added product descriptions to the Prom.ua upload in Ukrainian.

Added the ability to massively change categories of product cards on the page for viewing and managing the list of products.
Connection of the Fondy.ua payment system on BooStore.pro
New Feature: Split product block into two parts (when viewing product list)