Added template demo and quick install.
Added instructions for creating a pop-up block with the contents of the shopping cart.
Added changing the color of buttons in the cart and pop-up windows.
Added [product_group_id] for Google Merchant, as well as a field for specifying the Type of variation.
Added changing the color of buttons in the cart and pop-up windows.
Added [product_group_id] for Google Merchant, as well as a field for specifying the Type of variation.