* initial version of docs using mkdocs material
* tweak the visual look
* CSS tweaks
* remove _summar
* font tweak
* update README to reflect mkdocs
* workflows to update documentation
* add site to .gitignore
* Add support for displaying sparklines
* regenerate api docs
* tweak the script docstring
* improve corner case handling
* improve and document whitespace
* Add the ability to color sparklines to indicate positive and negative numbers
* add the ability to highlight values over a particular threshold
* add unit tests for sparkline
* fix a bug found by the unit tests
* generate docs
* clarify int vs number
* add sparklines to the TOC
