I have no idea what Monkey Language is and after reading first few paragraphs it looks like the author does not plan to explain it either. So unless you know what Moneky Language is, do not bother to open.
https://medium.com/@mario.arias.c/comparing-kotlin-and-golan...
The language website is here: https://monkeylang.org
It's a good book, very easy to follow, so I think it had a large following of people writing their own dialects, in many languages.