130c641e5c
**What** Create a service abstraction for the modules internal service layer. The objective is to reduce the effort of building new modules when the logic is the same or otherwise allow to override the default behavior. Co-authored-by: Oli Juhl <59018053+olivermrbl@users.noreply.github.com>
Cart Module
A Cart is a collection of items that a customer intends to purchase. The Cart also stores where the items should be shipped, how they should be shipped, how the goods will be paid for and who the customer is. The Cart facilitates calculations of totals and validation of purchase flows.