docs: fix vue example

examples/nuxt-example/components/ui/number-field/NumberField.vue

@@ -0,0 +1,23 @@
+<script setup lang="ts">
+import type { NumberFieldRootEmits, NumberFieldRootProps } from 'radix-vue'
+import { NumberFieldRoot, useForwardPropsEmits } from 'radix-vue'
+import { type HTMLAttributes, computed } from 'vue'
+import { cn } from '@/lib/utils'
+
+const props = defineProps<NumberFieldRootProps & { class?: HTMLAttributes['class'] }>()
+const emits = defineEmits<NumberFieldRootEmits>()
+
+const delegatedProps = computed(() => {
+  const { class: _, ...delegated } = props
+
+  return delegated
+})
+
+const forwarded = useForwardPropsEmits(delegatedProps, emits)
+</script>
+
+<template>
+  <NumberFieldRoot v-bind="forwarded" :class="cn('grid gap-1.5', props.class)">
+    <slot />
+  </NumberFieldRoot>
+</template>