Plugin Deluxe Join

I have a question, I have been looking at server plugins and I find one called deluxe join that I would like to add to my athernos server, but it does not appear in the list of plugins. I would like to know a reason or if they will add as soon as possible Thank you. This is translated by Google Translate my language is Spanish

This is the link: https://www.spigotmc.org/resou…oD_SzsJBavXbeOgO5zeXlsDsQ

Yes for the same but I have to open another thread to request the plugin? they can't do it for this very ...