docs: fix vue example

examples/nuxt-example/components/ui/calendar/CalendarCell.vue

@@ -0,0 +1,24 @@
+<script lang="ts" setup>
+import { type HTMLAttributes, computed } from 'vue'
+import { CalendarCell, type CalendarCellProps, useForwardProps } from 'radix-vue'
+import { cn } from '@/lib/utils'
+
+const props = defineProps<CalendarCellProps & { class?: HTMLAttributes['class'] }>()
+
+const delegatedProps = computed(() => {
+  const { class: _, ...delegated } = props
+
+  return delegated
+})
+
+const forwardedProps = useForwardProps(delegatedProps)
+</script>
+
+<template>
+  <CalendarCell
+    :class="cn('relative p-0 text-center text-sm focus-within:relative focus-within:z-20 [&:has([data-selected])]:rounded-md [&:has([data-selected])]:bg-accent [&:has([data-selected][data-outside-view])]:bg-accent/50', props.class)"
+    v-bind="forwardedProps"
+  >
+    <slot />
+  </CalendarCell>
+</template>