chore(docs): Updated API Reference (automated) (#11030)

Automated changes by [create-pull-request](https://github.com/peter-evans/create-pull-request) GitHub action

Co-authored-by: Oli Juhl <59018053+olivermrbl@users.noreply.github.com>
Co-authored-by: Shahed Nasser <27354907+shahednasser@users.noreply.github.com>

www/apps/api-reference/specs/admin/code_samples/Shell/admin_inventory-items_location-levels_batch/post.sh

@@ -0,0 +1,24 @@
+curl -X POST '{backend_url}/admin/inventory-items/location-levels/batch' \
+-H 'Authorization: Bearer {access_token}' \
+-H 'Content-Type: application/json' \
+--data-raw '{
+  "create": [
+    {
+      "location_id": "sloc_123",
+      "inventory_item_id": "iitem_123",
+      "stocked_quantity": 100,
+      "incoming_quantity": 50
+    }
+  ],
+  "update": [
+    {
+      "location_id": "sloc_456",
+      "inventory_item_id": "iitem_456",
+      "stocked_quantity": 200,
+      "incoming_quantity": 75
+    }
+  ],
+  "delete": [
+    "iilev_123"
+  ]
+}'