add new language files

fittrackee_client/src/utils/locales.ts

@@ -1,15 +1,17 @@
 /* eslint-disable import/no-duplicates */
 import { Locale } from 'date-fns'
-import { enUS, fr } from 'date-fns/locale'
+import { de, enUS, fr } from 'date-fns/locale'
 
 import createI18n from '@/i18n'
 
 export const localeFromLanguage: Record<string, Locale> = {
+  de: de,
   en: enUS,
   fr: fr,
 }
 
 export const languageLabels: Record<string, string> = {
+  de: 'Deutsch',
   en: 'English',
   fr: 'Français',
 }