Add a whitelist for FTBChunks

Currently only contains the grave mod. Should allow collecting graves even if they are in somone's claim.

Author: PikachuGabe

kubejs/server_scripts/ftbchunks_whitelist.js

@@ -0,0 +1,4 @@
+ServerEvents.tags('block', event => {
+    event.add('ftbchunks:interact_whitelist', 'epitaphs:grave')
+    event.add('ftbchunks:edit_whitelist', 'epitaphs:grave')
+})