* Add Japanese and Danish translations
Japanese translations by Yz2house.
Danish translations by mogensjaeger.
* Run translation script on Japanese and Danish
Also add back some keys ending with "0" that the script mistakenly
removed.
* Rename language file Danish to Dansk
Allows automatic loading of the Danish translation from the system
language.
Co-authored-by: Thanatomanic <6567747+Thanatomanic@users.noreply.github.com>