Now Logseq supports MarkDown and org. Logseq should support AsciiDoc.
AsciiDoc is a great markup language.
AsciiDoctor has an ecosystem to support AsciiDoc. AsciiDoctor has a lot of programming language library.
AsciiDoctor Projects: https://github.com/asciidoctor/
AsciiDoc has a brilliant documant: Asciidoctor Documentation Home :: Asciidoctor Docs