docs: fix vue example

examples/nuxt-example/components/ui/dropdown-menu/DropdownMenuItem.vue

@@ -0,0 +1,28 @@
+<script setup lang="ts">
+import { type HTMLAttributes, computed } from 'vue'
+import { DropdownMenuItem, type DropdownMenuItemProps, useForwardProps } from 'radix-vue'
+import { cn } from '@/lib/utils'
+
+const props = defineProps<DropdownMenuItemProps & { class?: HTMLAttributes['class'], inset?: boolean }>()
+
+const delegatedProps = computed(() => {
+  const { class: _, ...delegated } = props
+
+  return delegated
+})
+
+const forwardedProps = useForwardProps(delegatedProps)
+</script>
+
+<template>
+  <DropdownMenuItem
+    v-bind="forwardedProps"
+    :class="cn(
+      'relative flex cursor-default select-none items-center rounded-sm px-2 py-1.5 text-sm outline-none transition-colors focus:bg-accent focus:text-accent-foreground data-[disabled]:pointer-events-none data-[disabled]:opacity-50',
+      inset && 'pl-8',
+      props.class,
+    )"
+  >
+    <slot />
+  </DropdownMenuItem>
+</template>