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/operations/get-all-pages.ts

@@ -0,0 +1,22 @@
+import type { OrdercloudConfig } from '../'
+
+import { GetAllPagesOperation } from '@commerce/types/page'
+
+export type Page = { url: string }
+export type GetAllPagesResult = { pages: Page[] }
+
+export default function getAllPagesOperation() {
+  async function getAllPages<T extends GetAllPagesOperation>({
+    config,
+    preview,
+  }: {
+    url?: string
+    config?: Partial<OrdercloudConfig>
+    preview?: boolean
+  } = {}): Promise<T['data']> {
+    return Promise.resolve({
+      pages: [],
+    })
+  }
+  return getAllPages
+}