I had to immediately rewatch the video after reading this comment

I would go with a static site generator which supports markdown (flat file). They’re often easy to setup and hassle free. Some of them also have many themes/templates which can be freely used.

Lemmy has the logo on their GitHub repo: https://raw.githubusercontent.com/LemmyNet/lemmy-ui/main/src/assets/icons/favicon.svg it should be doable easily doable with this I guess.