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-payment-klarna/package.json

@@ -20,6 +20,7 @@
     "@babel/preset-env": "^7.7.5",
     "@babel/register": "^7.7.4",
     "@babel/runtime": "^7.9.6",
+    "axios-mock-adapter": "^1.19.0",
     "client-sessions": "^0.8.0",
     "cross-env": "^5.2.1",
     "eslint": "^6.8.0",
@@ -36,7 +37,7 @@
   },
   "dependencies": {
     "@babel/plugin-transform-classes": "^7.9.5",
-    "axios": "^0.19.2",
+    "axios": "^0.21.0",
     "body-parser": "^1.19.0",
     "express": "^4.17.1",
     "medusa-core-utils": "^1.0.10",