It includes generated font files together with sources. There's no point in storing them in VCS. Instead of this, the repo should contain scripts to generate font files from sources.

This font was made with glyphr. In a conventional program (Let's say that this program is made in C), for it to be considered open source, the c file that contains the code has to be distributed, outside of that, there is the compilation file and additionally a README, in fonts it is different, the majority use a different programming language from one to the other to create the typography, and the only way I see that a font made in fontforge can be considered open source is for it to be shared the sfd file that fontforge generates when saving the font, this file is editable in a code editor, not like other files such as otf or ttf, which are directly binary