docs: fix vue example

examples/nuxt-example/components/ui/breadcrumb/BreadcrumbSeparator.vue

@@ -0,0 +1,21 @@
+<script lang="ts" setup>
+import type { HTMLAttributes } from 'vue'
+import { ChevronRightIcon } from '@radix-icons/vue'
+import { cn } from '@/lib/utils'
+
+const props = defineProps<{
+  class?: HTMLAttributes['class']
+}>()
+</script>
+
+<template>
+  <li
+    role="presentation"
+    aria-hidden="true"
+    :class="cn('[&>svg]:size-3.5', props.class)"
+  >
+    <slot>
+      <ChevronRightIcon />
+    </slot>
+  </li>
+</template>