I've made a graveyard on my server with the idea of having players gravestones spawn there without realizing sooner that it seems like that function is not in this mod. I think, I'm not really that experienced with the .json format but is it possible? if not is there a good complementary mod that could? thanks in advance regardless!

The graveyard feature should work. Are you sure the graveyard is correctly loaded into an enabled datapack?

The graveyard feature should work. Are you sure the graveyard is correctly loaded into an enabled datapack?

I am unsure as I am not seeing it with the "find in page" tool, would it be in the yigd.json or somewhere else?

You can read on the mod wiki on github (there should be a wiki tab a little left of the "issues" tab) how to set up the graveyard in a datapack if you're unsure of that. If you are unsure of how to set up a datapack there are a lot of information online how to do that (e.g. minecraft wiki or youtube)