This seems actually very complicated for what it does.
Imagine if the title was this instead: "Show HN: a simple text blog demonstrating how to use Cloudflare workers and KV store"
Simple would be if you would just write text files, drop it somewhere simple, either a webserver or GitHub pages or some hosted service, and be done with it.
https://news.ycombinator.com/newsguidelines.html
This seems actually very complicated for what it does.