pub fn main(args: &[String]) -> i32
planarian-gym site [--out DIR] [--results FILE] [--commit SHA] [--repo OWNER/NAME] [--snapshot NAME] [--others a,b]: exit 1 with every unresolved reference, 0 with the book written.
planarian-gym site [--out DIR] [--results FILE] [--commit SHA] [--repo OWNER/NAME] [--snapshot NAME] [--others a,b]