Add Danish localization (#7220)

* Add Danish localization

* Fix

* Update src/locale/locales/da/messages.po

Co-authored-by: Frudrax Cheng <i@cynosura.one>

* Typo

* Inconsistent translation of "draft"

* Do not use "post" as verb

* Change "post"/"repost" to "opslag"/"videredeling"

* Fix "About"

* Fix

* Add to iOS config

* Sort alphabetically

* Typo fixes by @kseistrup

* Fix gender of "opslag"

* Plural

* "videredeling" > "deling"

* Be specific that ÆØÅ is not allowed

* Add new strings from main

---------

Co-authored-by: Frudrax Cheng <i@cynosura.one>

src/components/hooks/dates.ts

@@ -11,6 +11,7 @@ import React from 'react'
 import {formatDistance, Locale} from 'date-fns'
 import {
   ca,
+  da,
   de,
   el,
   enGB,
@@ -52,6 +53,7 @@ const locales: Record<AppLanguage, Locale | undefined> = {
   an: undefined,
   ast: undefined,
   ca,
+  da,
   de,
   el,
   ['en-GB']: enGB,