Add ordercloud provider (#500)

* Add ordercloud provider

* Fix provider errors

* Make submit checkout optional

* Make submit checkout optional

* Remove nullables when creating endpoint type

* Update readme

* Log checkout error

* Log error

* Save token to cookie

* Update fetch rest

* Use token at checkout

Co-authored-by: Luis Alvarez <luis@vercel.com>

framework/ordercloud/api/endpoints/customer/address/update-item.ts

@@ -0,0 +1,9 @@
+import type { CustomerAddressEndpoint } from '.'
+
+const updateItem: CustomerAddressEndpoint['handlers']['updateItem'] = async ({
+  res,
+}) => {
+  return res.status(200).json({ data: null, errors: [] })
+}
+
+export default updateItem