docs: fix vue example

examples/nuxt-example/components/ui/menubar/MenubarLabel.vue

@@ -0,0 +1,13 @@
+<script setup lang="ts">
+import type { HTMLAttributes } from 'vue'
+import { MenubarLabel, type MenubarLabelProps } from 'radix-vue'
+import { cn } from '@/lib/utils'
+
+const props = defineProps<MenubarLabelProps & { class?: HTMLAttributes['class'], inset?: boolean }>()
+</script>
+
+<template>
+  <MenubarLabel :class="cn('px-2 py-1.5 text-sm font-semibold', inset && 'pl-8', props.class)">
+    <slot />
+  </MenubarLabel>
+</template>