docs: fix vue example

examples/nuxt-example/components/ui/pin-input/PinInput.vue

@@ -0,0 +1,23 @@
+<script setup lang="ts">
+import { type HTMLAttributes, computed } from 'vue'
+import { PinInputRoot, type PinInputRootEmits, type PinInputRootProps, useForwardPropsEmits } from 'radix-vue'
+import { cn } from '@/lib/utils'
+
+const props = withDefaults(defineProps<PinInputRootProps & { class?: HTMLAttributes['class'] }>(), {
+  modelValue: () => [],
+})
+const emits = defineEmits<PinInputRootEmits>()
+
+const delegatedProps = computed(() => {
+  const { class: _, ...delegated } = props
+  return delegated
+})
+
+const forwarded = useForwardPropsEmits(delegatedProps, emits)
+</script>
+
+<template>
+  <PinInputRoot v-bind="forwarded" :class="cn('flex gap-2 items-center', props.class)">
+    <slot />
+  </PinInputRoot>
+</template>