Whitespace + general cleanup

By: Erik Broes <erikbroes@grum.nl>

paper-api/src/main/java/org/bukkit/material/Attachable.java

@@ -6,10 +6,11 @@ import org.bukkit.block.BlockFace;
  * Indicates that a block can be attached to another block
  */
 public interface Attachable extends Directional {
-        /**
-         * Gets the face that this block is attached on
-         * 
-         * @return BlockFace attached to
-         */
-        public BlockFace getAttachedFace();
+
+    /**
+     * Gets the face that this block is attached on
+     *
+     * @return BlockFace attached to
+     */
+    public BlockFace getAttachedFace();
 }