Added option to configure the display of the category list on the site

The setting can be applied individually for each category or in the general site settings.
To change it, go to: Settings → Shop → Categories.
When changing the display option for the main element of the category list «hotengine-categories-list», the class «hotengine-categories-list-style-X» is added, where «X» corresponds to the selected display style.
Available display styles:
- «As in the general site settings»
- «Standard (blocks with title and image)»
- «Compact (with image) [if there are products in the category]»
- «Compact (title only) [if there are products in the category]»
- «Compact (with image)»
- «Compact (title only)»