It looks like great stuff but I've taken Show HN out of the title because (1) blog posts can't be Show HNs - please see the rules: https://news.ycombinator.com/showhn.html; and
(2) it had a Show HN a few months ago:
Show HN: Learn German with Short Stories - https://news.ycombinator.com/item?id=35713852 - April 2023 (119 comments)