Suddoku

I had to edit the Dockerfile because it was missing a package that allows rust compilation, causing the container to throw errors, I mean the cbindgen package. ``` Finished release...

Probably everything is done, but I might have missed something, surely someone who speaks better German should check my translation. I didn't see any bugs. I restored the Dockerfile to...

Yeah true, the template was not changed

So I'm waiting for Szybet to check if everything is ok, and that, as he wrote, may take a few days. If GitHub won't let you create a fork out...