feat(Calendar): implement component (#2618)

Co-authored-by: Benjamin Canac <canacb1@gmail.com>

docs/app/components/content/examples/calendar/CalendarDatePickerExample.vue

@@ -0,0 +1,21 @@
+<script setup lang="ts">
+import { CalendarDate, DateFormatter, getLocalTimeZone } from '@internationalized/date'
+
+const df = new DateFormatter('en-US', {
+  dateStyle: 'medium'
+})
+
+const modelValue = shallowRef(new CalendarDate(2022, 1, 10))
+</script>
+
+<template>
+  <UPopover>
+    <UButton color="neutral" variant="subtle" icon="i-lucide-calendar">
+      {{ df.format(modelValue.toDate(getLocalTimeZone())) }}
+    </UButton>
+
+    <template #content>
+      <UCalendar v-model="modelValue" class="p-2" />
+    </template>
+  </UPopover>
+</template>