Grave Destruction fix for "You're in Grave Danger" and "L_Ender 's Cataclysm" bosses

I love the Cataclysm mod by L_Ender and I love the You're In Grave Danger mod by b1n_ry.

Update: 1.20.1 players, great news. This does work on 1.20.1, but you need to make one small change.
RLLStudio commented on this, but you need to change the folder named "block" to be named "blocks". Apparently that was changed somewhere along the way, for whatever reason. 

Sadly, the Cataclysm bosses are able to destroy the graves from YIGD, and that is a problem when running a server. If you play alone, you can just use console commands to restore graves, but less so for players on a server without operator permissions. Thus, with a LOT of help from b1n_ry(he basically told me exactly what to do, I just typed some stuff after that, 90% credit goes to him for this), I put together this little data pack that adds the grave tag from YIGD to the files from Cataclysm that define which blocks are immune to the bosses. 

 I tested this on the Netherite Monstrosity, but the process is the same for all the bosses, so I see no reason it shouldn't also work on the others. 

Let me know if this causes any issues