docs: fix vue example

examples/nuxt-example/components/ui/tabs/Tabs.vue

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