docs: integrate @nuxt/ui-pro (#739)

Co-authored-by: Pooya Parsa <pooya@pi0.io>
Co-authored-by: Florent Delerue <florentdelerue@hotmail.com>
Co-authored-by: Sébastien Chopin <seb@nuxt.com>

docs/content/5.navigation/2.command-palette.md

@@ -225,7 +225,6 @@ Use the `#empty-state` slot to customize the empty state.
 ::component-example
 ---
 padding: false
-overflowClass: 'overflow-x-auto'
 component: 'command-palette-example-empty-slot'
 componentProps:
   class: 'flex-1'