Initial work on the Sanguine Scientiem

Downloaded patchouli and, after lots of remorse, managed to get the beginnings of a guide.

src/main/resources/assets/bloodmagic/models/item/book.json

@@ -0,0 +1,6 @@
+{
+  "parent": "minecraft:item/handheld",
+  "textures": {
+    "layer0": "bloodmagic:item/sanguinebook"
+  }
+}