Add german translation

[lukasjoc]

Hey there.

I noticed that there is a german translation missing.
If it's valid/needed I would volunteer to add it.

[martinheidegger]

Hello @lukasjoc I am willing to review/merge a Pull Request for this.

[Hakim-CS]

Hi there,

Thank you for bringing this to our attention! Your offer to add the German translation is greatly appreciated. Contributions like this help make the project more inclusive and accessible to a wider audience