Setup future usage

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

@@ -1,7 +1,9 @@
+import { default as authenticateCustomer } from "./authenticate-customer"
 import { default as authenticate } from "./authenticate"
 import { default as wrap } from "./await-middleware"
 
 export default {
   authenticate,
-  wrap
+  authenticateCustomer,
+  wrap,
 }