- Add theme settings for figures.
- Settings for styles are now in it own class and
ThemeSettings are wrapping those.
- Prefixed formatting string to have `style-` prefix.
- Templates can now use added `figures` dictionary which
is resolved per activated theme.
- Create `dump` theme.
- New `ThemeActive` interface where default impl uses dump
theme if `CI` or `NO_COLOR` env is set.
- Rework existing templates.
- Fixes#442
073cd8562c