Haema

Thanks to everyone who made this update possible!

• Made Book of Blood an actual item (@AmyMialee)
• Fixed an untranslated advancement (@Scotsguy)
• Added nl_nl, nl_be translations (@ricksouth)
• Added de_de translations (@JTK222)
• Added es_es translations (@Witixin1512)
• Added some WIP structure stuff, it won't spawn in the world yet but you can look at it with commands :)