Oh wow! If you mean November 2022, pretty close to when I was doing mine! If you mean 2021, you definitely had the idea way before me
Nov 2022 it was. Seemed like everyone was having covid, and so was I. The idea came up in a Discord discussion, so I decided to go for it. Later I added the syntax highlighting and file naming. I also added a little extensible header system so that I could add more features in the future without breaking old URLs. Now I'm thinking maybe I should allow extra long URLs (>2048) if the user requests so, they seem to be supported in Chrome/Firefox/Safari...