Dynamic API routes (#836)

* Add dynamic API endpoints

* Add missing dependency

* Update api handlers

* Updates

* Fix build errors

* Update package.json

* Add checkout endpoint parser & update errors

* Update tsconfig.json

* Update cart.ts

* Update parser

* Update errors.ts

* Update errors.ts

* Move to Edge runtime

* Revert to local

* Fix switchable runtimes

* Make nodejs default runtime

* Update pnpm-lock.yaml

* Update handlers

* Fix build errors

* Change headers

site/pages/product/[slug].tsx

@@ -22,7 +22,6 @@ export async function getStaticProps({
     config,
     preview,
   })
-
   const allProductsPromise = commerce.getAllProducts({
     variables: { first: 4 },
     config,