Add: Danish translation (second attempt)

[kristianrl]

What changed?

Added: Danish translation (complete) - my previous pull request was closed without reason: #1437

Why did it change?

Translated main terms manually.
See https://www.facebook.com/groups/1553839535376876/?multi_permalinks=1875843746509785&hoisted_section_header_type=recently_seen

How is this tested?

Verified in Xcode

Screenshots/Videos (when applicable)

Checklist

• My code adheres to the project's coding and style guidelines.
• I have conducted a self-review of my code.
• I have commented my code, particularly in complex areas.
• I have verified whether these changes require an update to existing documentation or if new documentation is needed, and created an issue in the docs repo if applicable.
• I have tested the change to ensure that it works as intended.