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