Danish locale [da]

[ulrikjo]

New Pull Request

Adding Danish locale [da] with "da.json".
Note that months are not capitalized in Danish unless it's the first word in a sentence. Dates are written as "28. marts 2023"("March 28, 2023" in US English)

Type of change

• New feature (non-breaking change which adds functionality)

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes