Shortcode accepts the following parameters:
- product_ids – a comma separated list of product IDs
- category_ids – a comma separated list of category IDs
- number_of_products – limit of produts to show
- width – product customizer width (px, em, %, …)
- order – order products (ASC, DESC)
- orderby – order products by (none, ID, title, name, date, modified, rand)