Added new template with demo and quick install.

Added template demo and quick install. The template is implemented with the ability to change the color scheme in the design editor.
View Demo
Install template.

Added new template with demo and quick install.

Added import of products from XML/YML via link.
The Price Range Swiper — a price range slider in the search filter — has been added to the BooStore.pro platform
Added quick import of "Articles catalog categories".