Unfortunately I don't have a good way to reveal the source of my site as there are some things in that git repo that can't be made public.

I too have struggled to find examples of doing more complex things in Hugo. It's such a versatile tool that it's probably pretty hard to document everything in an approachable way.

I may write up how I set up the Hugo portion of the knowledge base as it has worked quite well. If I do, you can subscribe here to make sure you see it: https://masnick.blog/subscribe/