german-language

Update libraries versions, node version in CI scripts, and make sure the application works after the updates.

This issue is for collecting topics that should find a place in this resource. Every serious (and picked) suggestion will (of course) get a contributors mention!

Newbies and non-coders welcome

As we translate our program, we also need to translate the headings of our program!
You can find the headings under src/img/graphics/headings. We need banners of the same size and with a translated name. A good way to figure out the translated name is to

(1) look at what they are called in src/text/did_html
(2) if they're not translated there, open German