chore(docs): Generated API Reference (#2143)

Co-authored-by: olivermrbl <olivermrbl@users.noreply.github.com>

docs/api/store/code_samples/JavaScript/customers/postundefined

@@ -0,0 +1,11 @@
+import Medusa from "@medusajs/medusa-js"
+const medusa = new Medusa({ baseUrl: MEDUSA_BACKEND_URL, maxRetries: 3 })
+medusa.customers.create({
+  first_name: 'Alec',
+  last_name: 'Reynolds',
+  email: 'user@example.com',
+  password: 'supersecret'
+})
+.then(({ customer }) => {
+  console.log(customer.id);
+});