feat(medusa): Expose error handler from middlewares (#4609)

* feat: Expose error handler from middlewares

* Create unlucky-fireants-talk.md

---------

Co-authored-by: Oli Juhl <59018053+olivermrbl@users.noreply.github.com>

packages/medusa/src/api/middlewares/index.ts

@@ -6,6 +6,7 @@ import { default as requireCustomerAuthentication } from "./require-customer-aut
 
 export { default as authenticate } from "./authenticate"
 export { default as authenticateCustomer } from "./authenticate-customer"
+export { default as errorHandler } from "./error-handler"
 export { default as wrapHandler } from "./await-middleware"
 export { canAccessBatchJob } from "./batch-job/can-access-batch-job"
 export { getRequestedBatchJob } from "./batch-job/get-requested-batch-job"