docs: fix vue example

examples/nuxt-example/components/ui/navigation-menu/NavigationMenu.vue

@@ -0,0 +1,33 @@
+<script setup lang="ts">
+import { type HTMLAttributes, computed } from 'vue'
+import {
+  NavigationMenuRoot,
+  type NavigationMenuRootEmits,
+  type NavigationMenuRootProps,
+  useForwardPropsEmits,
+} from 'radix-vue'
+import NavigationMenuViewport from './NavigationMenuViewport.vue'
+import { cn } from '@/lib/utils'
+
+const props = defineProps<NavigationMenuRootProps & { class?: HTMLAttributes['class'] }>()
+
+const emits = defineEmits<NavigationMenuRootEmits>()
+
+const delegatedProps = computed(() => {
+  const { class: _, ...delegated } = props
+
+  return delegated
+})
+
+const forwarded = useForwardPropsEmits(delegatedProps, emits)
+</script>
+
+<template>
+  <NavigationMenuRoot
+    v-bind="forwarded"
+    :class="cn('relative z-10 flex max-w-max flex-1 items-center justify-center', props.class)"
+  >
+    <slot />
+    <NavigationMenuViewport />
+  </NavigationMenuRoot>
+</template>