Hi, It's true that I've spent quite a bit of time into that but it's definitely not at the expense of cultivating knowledge. In fact, this has allowed me to learn more. Most of the repo was generated programmatically initially and that allowed me to be acquianted with services like GitHub, HN and Reddit APIs. I have a few scripts, bookmarkelts, and vim macros that do things for me. All I do is copy a chunk of bookmarks into the right place and push the changes that triggers mdbook build via Travis and updates the website.
Author here. Currently, it's only on GitHub. I am planning to create a website in the future with search functionality and better categorization for everyone to go and use the resources listed there.