Et Futurum Requiem 2.6.0: Support from the Depths Beta 2

This update adds config options to disable/enable only specific modded deepslate ores and fixes some crashes/recipe registry related issues with them.
"Mithril" tag in certain cases would not register recipes or would crash the game on load.
Colored beds no longer are usable as furnace fuel
Auto-add composter is now toggleable.
Fisk Heroes ores removed; this will be done from their end instead