Started on docstrings

common/src/main/java/com/lukasabbe/bookshelfinspector/util/BlockTools.java

@@ -7,7 +7,18 @@ import net.minecraft.world.level.block.entity.BlockEntity;
 import net.minecraft.world.level.block.entity.ChiseledBookShelfBlockEntity;
 import net.minecraft.world.level.block.entity.LecternBlockEntity;
 
+/**
+ * Tools for getting books from blocks, like lecterns and chiseled bookshelf's
+ */
 public class BlockTools {
+
+    /**
+     * Gets a specific book from a chiseled bookshelf
+     * @param pos position of bookshelf
+     * @param slotNum slot number were the book you want is located
+     * @param world the world the bookshelf is in
+     * @return returns the book in that position or null if its empty
+     */
     public static ItemStack getBookInChiseledBookShelf(BlockPos pos, int slotNum, Level world){
         final BlockEntity blockEntity = world.getBlockEntity(pos);
         if(blockEntity instanceof ChiseledBookShelfBlockEntity chiseledBookShelf) {
@@ -18,6 +29,12 @@ public class BlockTools {
         return null;
     }
 
+    /**
+     * Gets the book in the lectern
+     * @param pos position of lectern
+     * @param world the world the bookshelf is in
+     * @return returns the book in the lectern or if its empty it returns null
+     */
     public static ItemStack getBookInLectern(BlockPos pos, Level world){
         final BlockEntity blockEntity = world.getBlockEntity(pos);
         if(blockEntity instanceof LecternBlockEntity lecternBlockEntity) return lecternBlockEntity.getBook();