feat(dashboard, js-sdk, medusa, tax, types): custom tax providers (#12297)

* wip: setup loaders, add endpoints, module work, types, js sdk

* fix: tax module provider loader

* feat: select provider on region create, fix enpoint middleware registration

* feat: edit form

* fix: rename param

* chore: changeset

* fix: don't default to system provider

* fix: admin fixes, dispalt tax provider

* fix: some tests and types

* fix: remove provider from province regions in test

* fix: more tests, optional provider for sublevel regions, fix few types

* fix: OE test

* feat: edit tax region admin, update tax region core flow changes

* feat: migrate script

* fix: refactor

* chore: use query graph

* feat: provider section

packages/medusa/src/api/middlewares.ts

@@ -38,6 +38,7 @@ import { adminStockLocationRoutesMiddlewares } from "./admin/stock-locations/mid
 import { adminStoreRoutesMiddlewares } from "./admin/stores/middlewares"
 import { adminTaxRateRoutesMiddlewares } from "./admin/tax-rates/middlewares"
 import { adminTaxRegionRoutesMiddlewares } from "./admin/tax-regions/middlewares"
+import { adminTaxProviderRoutesMiddlewares } from "./admin/tax-providers/middlewares"
 import { adminUploadRoutesMiddlewares } from "./admin/uploads/middlewares"
 import { adminUserRoutesMiddlewares } from "./admin/users/middlewares"
 import { adminWorkflowsExecutionsMiddlewares } from "./admin/workflows-executions/middlewares"
@@ -120,6 +121,7 @@ export default defineMiddlewares([
   ...adminRefundReasonsRoutesMiddlewares,
   ...adminExchangeRoutesMiddlewares,
   ...adminProductVariantRoutesMiddlewares,
+  ...adminTaxProviderRoutesMiddlewares,
   ...adminOrderEditRoutesMiddlewares,
   ...adminPaymentCollectionsMiddlewares,
 ])