docs: fix vue example

examples/nuxt-example/components/ui/stepper/Stepper.vue

@@ -0,0 +1,31 @@
+<script lang="ts" setup>
+import { type HTMLAttributes, computed } from 'vue'
+import type { StepperRootEmits, StepperRootProps } from 'radix-vue'
+import { StepperRoot, useForwardPropsEmits } from 'radix-vue'
+
+import { cn } from '@/lib/utils'
+
+const props = defineProps<StepperRootProps & { class?: HTMLAttributes['class'] }>()
+const emits = defineEmits<StepperRootEmits>()
+
+const delegatedProps = computed(() => {
+  const { class: _, ...delegated } = props
+
+  return delegated
+})
+
+const forwarded = useForwardPropsEmits(delegatedProps, emits)
+</script>
+
+<template>
+  <StepperRoot
+    v-slot="slotProps"
+    :class="cn(
+      'flex gap-2',
+      props.class,
+    )"
+    v-bind="forwarded"
+  >
+    <slot v-bind="slotProps" />
+  </StepperRoot>
+</template>