Changes in version 0.1.0 (2026-04-01)                  

  - Initial release.
  - geom_hinton() and stat_hinton() for drawing Hinton diagrams in
    ggplot2.
  - scale_fill_hinton() for the conventional signed-data colour scheme.
  - theme_hinton() for a clean, grid-free panel theme.
  - matrix_to_hinton() and as_hinton_df() for converting matrices to
    tidy data frames.