GUI-elementen verbergen voor nieuwe gebruikers (minder overweldigend)

As I’m new to Discourse (but spending a lot of time on it now), how could I get started with this?

I have read this

and I know about the plugin skeleton, but a TC skeleton I could not find.

I’ve looked quite a bit at the table builder component, which seems like it looks similar to a plugin. Can I use the plugin skeleton?