Provide a German help file #16
Description
Is your feature request related to a problem? Please describe.
non-functional requirement: learnability: the system should be learnable for users with knowledge of German only
Describe the solution you'd like
jacksum -h de <word> was possible with Jacksum 1.7.0, but it is not with Jacksum 3.
Describe alternatives you've considered
there is a German website available, but the manpage is still English only: https://jacksum.net/de
Additional context
n/a