Retrieve a product and its variants

type ProductStatus = 
  | 'active'
	| 'draft'
  | 'archived'
	

{
  "id": string,
  "sku": string,
  "item_title": string,
  "origin_country_code": string,
  "taxable": boolean,
  "created_at": string,
  "updated_at": string
}

{
  "id": string,
  "source_product_id": string,
  "status": ProductStatus,
  "title": string,
  "category": string,
  "description": string,
  "created_at": string,
  "updated_at": string,
  "variants": Variant[]
}