David,
That is a great idea about adding a high-level diagram of what one needs to put a node together to the Beginners Guide. That is the beauty of this open-source project. Everyone is welcome to contribute and help out.
Allstarlink has an official wiki page to help folks.
You can request an account on the Allstarlink wiki. Once you have been approved, you can help out by contributing content to the wiki.
It’s a community effort.
73
Marshall - ke6pcv