docs: update docs for vertical tabs

Author: yaroslav8765

adminforth/documentation/docs/tutorial/03-Customization/15-afcl.md

@@ -316,12 +316,16 @@ import { IconGridSolid, IconUserCircleSolid } from '@iconify-prerendered/vue-flo
   ```html
   <VerticalTabs>
     <template #tab:Profile>
-      <IconUserCircleSolid class="w-5 h-5 me-2"/>
-      Profile
+      <div class="px-4 py-3">
+        <IconUserCircleSolid class="w-5 h-5 me-2"/>
+        Profile
+      </div>
     </template>
     <template #tab:Dashboard>
-      <IconGridSolid class="w-5 h-5 me-2"/>
-      Board
+      <div class="px-4 py-3">
+        <IconGridSolid class="w-5 h-5 me-2"/>
+        Board
+      </div>
     </template>
     <template #Profile>
       <h3 class="text-lg font-bold text-gray-900 dark:text-white mb-2">Profile Tab</h3>