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/locale/languages.ts

@@ -9,6 +9,7 @@ export enum AppLanguage {
   an = 'an',
   ast = 'ast',
   ca = 'ca',
+  da = 'da',
   de = 'de',
   el = 'el',
   en_GB = 'en-GB',
@@ -51,6 +52,7 @@ export const APP_LANGUAGES: AppLanguageConfig[] = [
   {code2: AppLanguage.an, name: 'Aragonés – Aragonese'},
   {code2: AppLanguage.ast, name: 'Asturianu – Asturian'},
   {code2: AppLanguage.ca, name: 'Català – Catalan'},
+  {code2: AppLanguage.da, name: 'Dansk – Danish'},
   {code2: AppLanguage.de, name: 'Deutsch – German'},
   {code2: AppLanguage.el, name: 'Ελληνικά – Greek'},
   {code2: AppLanguage.en_GB, name: 'English (UK)'},