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/utils/product.ts

@@ -0,0 +1,47 @@
+import type { Product } from '@commerce/types/product'
+
+import type { RawProduct } from '../types/product'
+
+export function normalize(product: RawProduct): Product {
+  return {
+    id: product.ID,
+    name: product.Name,
+    description: product.Description,
+    slug: product.ID,
+    images: product.xp.Images,
+    price: {
+      value: product.xp.Price,
+      currencyCode: product.xp.PriceCurrency,
+    },
+    variants: product.xp.Variants?.length
+      ? product.xp.Variants.map((variant) => ({
+          id: variant.ID,
+          options: variant.Specs.map((spec) => ({
+            id: spec.SpecID,
+            __typename: 'MultipleChoiceOption',
+            displayName: spec.Name,
+            values: [
+              {
+                label: spec.Value,
+              },
+            ],
+          })),
+        }))
+      : [
+          {
+            id: '',
+            options: [],
+          },
+        ],
+    options: product.xp.Specs?.length
+      ? product.xp.Specs.map((spec) => ({
+          id: spec.ID,
+          displayName: spec.Name,
+          values: spec.Options.map((option) => ({
+            label: option.Value,
+            ...(option.xp?.hexColor && { hexColors: [option.xp.hexColor] }),
+          })),
+        }))
+      : [],
+  }
+}