feat(VCalendar): add event slot

[nekosaur]

Description

add event slot for v-calendar

Markup:

<template>
  <v-app>
    <v-main>
      <v-calendar :events="events">
        <template #event="{ event }">
          <div>custom slot for {{ event.title }}</div>
        </template>
      </v-calendar>
    </v-main>
  </v-app>
</template>

<script setup>
  import { ref } from 'vue'

  const events = ref([
    {
      start: new Date(),
      end: new Date(),
      title: 'foo',
    },
  ])
</script>