Added the ability to limit the addition of goods to the basket, by its quantity in stock.

Added the ability to limit the addition of goods to the basket, by its quantity in stock.

New Feature: Split product block into two parts (when viewing product list)
Added a library of SVG icons to the Mobile menu, as well as the ability to change their color.
Added a group change "Prices" - "Markup", based on the "Purchase price".