* trust option to indicate whether input text is trusted
* Revamp into trust contexts beyond just command
* Document new trust function style
* Fix screenshot testing
* Use trust setting in \url and \href
* Check `isTrusted` in `\url` and `\href` (so now disabled by default)
* Automatically compute `protocol` from `url` in `isTrusted`, so it
doesn't need to be passed into every context.
* Document untrusted features in support list/table
* Existing tests trust by default
* remove allowedProtocols and fix flow errors
* remove 'allowedProtocols' from documentation
* add a comment about a flow error, rename urlToProtocol to protocolFromUrl
* add tests test that use function version of trust option
* default trust to false in MathML tests
* fix test title, remove 'trust: false' from test settings since it's the default
* website/docs: initial commit
* Change secondaryColor
* Fix index.css not being copied and included on global stylesheet
* Fix stylesheet link
[skip ci]
* Change documentation link to API(Usage)
[skip ci]
* Add `Libraries` in usage
[skip ci]
* Remove documentation from `README.md` and add link to the site
[skip ci]
* Use KaTeX in the parent directory to build Markdown
[skip ci]
* Revise function support page. Avoid error msgs.
* General edit to function support page
