For now, use Dockerhub as registry.

Small changes to look and feel so that the height fits on a single screen. We should test this on different resolutions though.

Needs some work, in general collapsed text is still too long, especially when there's an image on top.

Adding color palette for root nodes to keep consistent colors. @AronFiechter please take a look if I used state and props consistently

The color is either the one set bu the node or black if the entity is not in the selected year range.