* Increment version number

* Better horizontal alignment of code blocks

* Use testthat 3e

* Use expect_known_output() because we need the css files

* Replace `with_mock()` with `mockery::stub()`

* Remove extraneous line

* Set ml and mr for all horiz alignment classes

* Add NEWS for #68

Now, font size is inherited from `base_font_size` which should be in absolute units.

* e.g. style_duo() <- duo()
* style_xaringan <- write_xaringan_theme()
* style_extra_css <- write_extra_css()
* added NEWS entry
* updated docs and /docs