feat(components): add ui field in items (#4060)

Co-authored-by: Jakub <jakub.michalek@freelo.io>
Co-authored-by: Benjamin Canac <canacb1@gmail.com>

docs/content/3.components/carousel.md

@@ -27,6 +27,11 @@ class: 'p-8'
 ---
 ::
 
+You can also pass an array of objects with the following properties:
+
+- `class?: any`{lang="ts-type"}
+- `ui?: { item?: ClassNameValue }`{lang="ts-type"}
+
 You can control how many items are visible by using the [`basis`](https://tailwindcss.com/docs/flex-basis) / [`width`](https://tailwindcss.com/docs/width) utility classes on the `item`:
 
 ::component-example