#88

feat: `align_plots()` now supports adding Layout and other compatible objects directly

fix: remove axes from intermediate panels

fix: correct handling of tag-related theme elements in layout

feat: add split argument to support splitting phylo objects into multiple trees

feat: allow sector_spacing to be a multi-value numeric in facet_sector

refactor: make link draw function accept two separated data frame

add unit tests

fix: consistent S3 method for upcoming ggplot2 4.0.0

make compatible with upcoming ggplot2 4.0.0