Add propery to set anchor attribute
See documentaiton here --> https://asciidoctor.org/docs/user-manual/#anchors and https://asciidoctor.org/docs/user-manual/#links
Edited by Olivier Jourdan
See documentaiton here --> https://asciidoctor.org/docs/user-manual/#anchors and https://asciidoctor.org/docs/user-manual/#links