get RSS feed up and running

handle dark/light theming correctly (https://www.joshwcomeau.com/react/dark-mode/) seems useful for that

get code blocks working properly, namely get them colored (probably with https://highlightjs.org/), maybe add a red border, consider https://github.com/highlightjs/highlight.js?tab=readme-ov-file#using-web-workers

ico?

~~add CSS styling rule(s) so headers don't get link colors~~

center titles properly