* Upgrade primer to 16
* Upgrade colors in scss
* Get SCSS to build
* Initial dark mode support
* trashcan -> trash
* More specific search browser test
* Fix link color on homepage
* Update overrides.scss
* Upgrade some colors to primer variables
* Hide dark mode support for now
* Apply suggestions from code review
* Update overrides.scss
* get link liquid tag to accept variables as param
* new liquid tag `link_as_article_card`
* refactor link liquid tag slightly so we can control what props get rendered
* generalize filterCodeExample to use in all guides section
* pass in `js-filter-card-max` instead of hardcode max
* tweaks and add `data` to CSP for images
* add liquid tag tests
* add some browser tests for card filters
* we still need to rely on `getPathWithLanguage` for hrefs that already have the language code embedded
Co-authored-by: Emily Gould <4822039+emilyistoofunky@users.noreply.github.com>