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 header for block with bundle.
A Booking Widget has been added.
Added the General parameter of the size type and the Product type for uploading to Google Merchant.