Added mass transfer of price from varieties to the main price of the product

Added mass transfer of price from varieties to the main price of the product. You can set the minimum price of the variety or the maximum. The function is in the section Settings, Store, Service.

The site translation function has been updated, as well as the implementation of the translation of the main sections for managing sites into English.
Added Phones button for mobile menu.
Added a simplified way to set icons to categories