feature: swaps (#137)

* feat: swap schema

* chore(refactor): move returns to separate service

* swap order creates return

* fix: adds returns/fulfillments/shipments and cart creation to swaps

* search products by variants

* feat: swaps ready

* fix: test passing

* chore: include customer expand fields on order

* add tests

* fix: add brightpearl plugin support

* fix: adds swap link template setting

* fix: tests

* fix(medusa-plugin-brightpearl): add swap status option

* docs: add swap description

* fix: adds GET swap in store api

* chore: unmock axios

* fix: passing klarna tests

* fix: pr

packages/medusa-plugin-brightpearl/README.md

@@ -11,6 +11,7 @@ Sends orders to Brightpearl, listens for stock movements, handles returns.
   event_owner: [the id of the user who will own goods out events] (required),
   warehouse: [the warehouse id to allocate orders from] (required)
   default_status_id: [the status id to assign new orders with] (optional: defaults to 1)
+  swap_status_id: [the status id to assign new swaps] (optional: defaults to 1)
   payment_method_code: [the method code to register payments with] (optional: defaults to 1220)
   sales_account_code: [nominal code to assign line items to] (optional: defaults to 4000)
   shipping_account_code: [nominal code to assign shipping line to] (optional: defaults to 4040)