chore(docs): Generated API Reference (#3718)

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

docs/api/admin/code_samples/JavaScript/admin_inventory-items/post.js

@@ -0,0 +1,10 @@
+import Medusa from "@medusajs/medusa-js"
+const medusa = new Medusa({ baseUrl: MEDUSA_BACKEND_URL, maxRetries: 3 })
+// must be previously logged in or use api token
+medusa.admin.inventoryItems.create(inventoryItemId, {
+  variant_id: 'variant_123',
+  sku: "sku-123",
+})
+.then(({ inventory_item }) => {
+  console.log(inventory_item.id);
+});