message: Expose contents of DiversifierIndex
diff: @@ -278,7 +278,7 @@ impl ChildIndex {
  struct ChainCode([u8; 32]);
  #[derive(Clone, Copy, Debug, PartialEq)]
  -pub struct DiversifierIndex([u8; 11]);
  +pub struct DiversifierIndex(pub [u8; 11]);
  impl DiversifierIndex {
  fn new() -> Self {
  