- 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