Many examples in [v0.17~preview](https://github.com/janestreet/bonsai/commit/406529ef8a0da0712b1cbdcf5af33601278997ef) depend on the library bonsai_web_ui_gallery. I cant seem to find it. For example "examples/partial_render_table/bin/main.ml" requires it for theme_picker. Am I missing something?