This does not appear to be in the spirit of the &quot;Show HN&quot; guidelines [<a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;showhn.html" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;showhn.html</a>] because there is nothing for users to try out or play with. It appears to be a blog post from last month.