More Powerful Bookshelves

Adds New books shelves with higher enchanting power (it gives better enchants) but are pretty expensive and look nice I hope!

Couldnt find any mods like this for 1.12 so i decided to make one myself

Also turn down your particles, 

Stone = 1 same as wood

Quartz,Redstone = 1.5

Iron = 2

Lapis,Gold = 3

Diamond = 4

Emerald = 5 

Obsidian = 6

Ender = 7

Rainbow = 10

IF YOU FIND BUGS OR MISTAKES PLEASE TELL ME!!!

AND USE JEI FOR RECIPES