docs: fix vue example

examples/nuxt-example/components/ui/tooltip/Tooltip.vue

@@ -0,0 +1,14 @@
+<script setup lang="ts">
+import { TooltipRoot, type TooltipRootEmits, type TooltipRootProps, useForwardPropsEmits } from 'radix-vue'
+
+const props = defineProps<TooltipRootProps>()
+const emits = defineEmits<TooltipRootEmits>()
+
+const forwarded = useForwardPropsEmits(props, emits)
+</script>
+
+<template>
+  <TooltipRoot v-bind="forwarded">
+    <slot />
+  </TooltipRoot>
+</template>