* Allow to round taxes on order-level
* Rename get_cart_total
* Persist rounding mode with order
* Add general docs
* Order creation API
* Update fee algorithm
* Rounding on payment method change
* Round when splitting order
* Fix failing tests
* Add settings page
* Add tests
* Replace algorithm
* Add test case for currency rounding
* Improve order change
* Update flowchart
* Update discount logic (more hypothetical, we don't store rounding on cart positions atm)
* Rename internal method
* Fix typo
* Update help text
* Apply suggestions from code review
Co-authored-by: luelista <weller@rami.io>
* Order rounding refactor (#5571)
* Add RoundingCorrectionMixin providing before-rounding-values as properties
* Use gross_price_before_rounding in more places
* Update doc/development/algorithms/pricing.rst
Co-authored-by: Martin Gross <gross@rami.io>
* Allow to override on perform_order
* Rebase migration
* Fix event cancellation
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Co-authored-by: luelista <weller@rami.io>
Co-authored-by: Martin Gross <gross@rami.io>