danish i18n messages

[tha-nordiq]

Description

We made lots of danish messages. First iteration was made with llm, then various corrections and improvements were made by danish humans.
Its not 100% but pretty close.

Please check if the PR fulfills these requirements

• The commit message follows our guidelines: https://github.com/geosolutions-it/MapStore2/blob/master/CONTRIBUTING.md
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

What kind of change does this PR introduce? (check one with "x", remove the others)

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Other... Please describe:
  i18n

What is the current behavior?
Danish translations were english. So english was shown

What is the new behavior?
Danish translations are shown instead.

Breaking change

Does this PR introduce a breaking change? (check one with "x", remove the other)

• Yes, and I documented them in migration notes
• No

[tha-nordiq]

@tdipisa Hi Tobia
How can i move forward with this one?
I am not seeing the same error locally, and the error does not seem to be related to my commit, unless i misunderstand something?