They wrote
Feel free to fork the project under a
(yes, the sentence ends with the 'a')
The ZUDoom GitHub project description says
UZDoom is a feature centric port for all Doom engine games, based on ZDoom, adding an advanced renderer, powerful scripting capabilities, and forked under a
It ending with 'forked under a' is probably a reference to that comment? lol, nice reference joke, but I hope they change it after a while, because as a description it's quite confusing.
Tailwind is an example of those frameworks fighting against/crossing the native web technologies referenced further up with the links to webdev posts.
The idea of shifting CSS declaration into the DOM element class attribute seems flawed to me. You lose what CSS provides natively.