docs: improvements + additions to workflow docs (#9182)

Improve existing workflow docs + add missing docs

www/apps/resources/app/recipes/marketplace/examples/restaurant-delivery/page.mdx

@@ -24,9 +24,6 @@ By following this example, you’ll have a restaurant-delivery platform with the
 3. Delivery handling, from the restaurant accepting the order to the driver delivering the order to the customer.
 4. Real-time tracking of the order’s delivery status.
 
-- Example Repository
-- OpenAPI Spec for Postman
-
 <CardList items={[
   {
     href: "https://github.com/medusajs/examples/tree/main/restaurant-marketplace",