docs: fix vue example

examples/nuxt-example/components/ui/alert-dialog/AlertDialogDescription.vue

@@ -0,0 +1,25 @@
+<script setup lang="ts">
+import { type HTMLAttributes, computed } from 'vue'
+import {
+  AlertDialogDescription,
+  type AlertDialogDescriptionProps,
+} from 'radix-vue'
+import { cn } from '@/lib/utils'
+
+const props = defineProps<AlertDialogDescriptionProps & { class?: HTMLAttributes['class'] }>()
+
+const delegatedProps = computed(() => {
+  const { class: _, ...delegated } = props
+
+  return delegated
+})
+</script>
+
+<template>
+  <AlertDialogDescription
+    v-bind="delegatedProps"
+    :class="cn('text-sm text-muted-foreground', props.class)"
+  >
+    <slot />
+  </AlertDialogDescription>
+</template>