Website Build/Performance Issues

[GaneshPatil7517]

The validator uses slow file reading instead of ASciidoctorJ parsing (acknowledged in code comment)
Large dependency list for just a static site generator - could optimize

[GaneshPatil7517]

hey @lprimak i want to work on this please assign me...

[GaneshPatil7517]

I've opened a PR that improves site build performance by addressing validator file IO.
Thanks for assigning!