docs: fix vue example

examples/nuxt-example/components/ui/sheet/SheetFooter.vue

@@ -0,0 +1,19 @@
+<script setup lang="ts">
+import type { HTMLAttributes } from 'vue'
+import { cn } from '@/lib/utils'
+
+const props = defineProps<{ class?: HTMLAttributes['class'] }>()
+</script>
+
+<template>
+  <div
+    :class="
+      cn(
+        'flex flex-col-reverse sm:flex-row sm:justify-end sm:gap-x-2',
+        props.class,
+      )
+    "
+  >
+    <slot />
+  </div>
+</template>