* docs: added cart conceptual guide
* changed link of idempotency key
* apply suggestions from code review
Co-authored-by: Oliver Windall Juhl <59018053+olivermrbl@users.noreply.github.com>
* tiny change
* Used correct entity name representation
* small fixes in totals section
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Co-authored-by: Oliver Windall Juhl <59018053+olivermrbl@users.noreply.github.com>