feat: add support for custom title

src/components/generic/ATime.vue

 <template>
-  <time :datetime="isoRepresentation" :title="title">
+  <time
+    :datetime="isoRepresentation"
+    :title="title ? title({ formattedDate, date: datetime }) : formattedDate"
+  >
     <slot :datetime="datetime" />
   </time>
 </template>
@@ -12,11 +15,12 @@ import { ensureDate } from '@/util'
 
 const props = defineProps<{
   time: Date | string
+  title?: (data: { formattedDate: string; date: Date }) => string
 }>()
 const { locale } = useI18n()
 const datetime = computed(() => ensureDate(props.time))
 const isoRepresentation = computed(() => formatISO(datetime.value))
-const title = computed(() =>
+const formattedDate = computed(() =>
   datetime.value.toLocaleString(locale.value, { dateStyle: 'full', timeStyle: 'medium' }),
 )
 </script>