Can't build successfully following the process in README file

Created by: linkfang

Describe the bug

I created PR71 to update the Registered Symbol to AsciiDoc and would like to preview my changes, but couldn't make it work.

With all 3 dependencies installed mentioned in README file - Node and NPM (14.7.1), Hugo, and Asciidoctor, when I run "hugo server --destination=public" command, I will get this error:

After I change

_build:
  render: never

_build:
  render: false

The error above would gone, but then I will get this error:

I am using Windows 10 - WSL2 - Ubuntu. Not sure if I missed something or did something wrong?