Fix #7 Added Month Markings, Range Select

frontend/plugins/dayjs.ts

@@ -3,10 +3,16 @@ import duration from 'dayjs/plugin/duration'
 import relativeTime from 'dayjs/plugin/relativeTime'
 import localizedFormat from 'dayjs/plugin/localizedFormat'
 import 'dayjs/locale/de'
+import quarterOfYear from 'dayjs/plugin/quarterOfYear'
+import isSameOrAfter from "dayjs/plugin/isSameOrAfter"
+import isSameOrBefore from "dayjs/plugin/isSameOrBefore"
 
 dayjs.extend(duration)
 dayjs.extend(relativeTime)
 dayjs.extend(localizedFormat)
+dayjs.extend(quarterOfYear)
+dayjs.extend(isSameOrAfter)
+dayjs.extend(isSameOrBefore)
 dayjs.locale('de')
 
 export default defineNuxtPlugin(() => {