Update i18n.ts add da for danish locales

[iplayer1337fivem]

added import da from './locale/da.json';

and here ya go, thats the next one :) AND you still rock <3

Pull Request Description

Please include a general description of the changes made, why they were necessary, and any other general things to note.

Pull Request Checklist:

• [x ] Have you followed the guidelines in our Contributing document and Code of Conduct?
• [ x] Have you checked to ensure there aren't other open Pull Requests for the same update/change?
• [ no] Have you built and tested NPWD in-game after the relevant change? But I had a great mentorship for this !

[itschip]

LGTM! Thanks for the contribution @iplayer1337fivem !