docs: fix vue example

examples/nuxt-example/components/ui/select/Select.vue

@@ -0,0 +1,15 @@
+<script setup lang="ts">
+import type { SelectRootEmits, SelectRootProps } from 'radix-vue'
+import { SelectRoot, useForwardPropsEmits } from 'radix-vue'
+
+const props = defineProps<SelectRootProps>()
+const emits = defineEmits<SelectRootEmits>()
+
+const forwarded = useForwardPropsEmits(props, emits)
+</script>
+
+<template>
+  <SelectRoot v-bind="forwarded">
+    <slot />
+  </SelectRoot>
+</template>