Added customer endpoint

pages/api/customer.ts

@@ -0,0 +1,8 @@
+import customer from '@commerce/api/endpoints/customer'
+import { CustomerAPI, operations } from '@framework/api/customer'
+import commerce from '@lib/api/commerce'
+
+export default commerce.endpoint({
+  handler: customer as CustomerAPI['endpoint']['handler'],
+  operations,
+})