Add labels to nodes

[stitch]

Because labels are missing, it's hard to figure out what is what just by looking at it. Tried to ofc add a g and to add the circle and a text label to it. But my d3 skills are next to none, and it turned out to be not working after many attempts.

Couldn't find a better visualizer for my project yet, only this one. So i resorted to using this visualization and editing the image with photoshop. It made me feel like an idiot, but it worked for now ;)