* Restore focus highlight on explorer toggle button.
Remove `unset: all` declaration causing `outline`
property to be unset. This allows the default
browser focus highlight to be shown.
* Fix semantics of expandable sections (explorer, toc).
This adds the appropriate aria attributes for the [disclosure pattern](https://www.w3.org/WAI/ARIA/apg/patterns/disclosure/examples/disclosure-image-description/#javascriptandcsssourcecode) and uses `visibility: hidden` to remove the hidden elements from the focus order without disrupting the animations. Further work is needed on the tree view nodes.
* Run prettier for SCSS files.
* fix: alt error mix with height/width
More granular detection of alt and resize in image
* fix: format
* feat: init i18n
* feat: add translation
* style: prettier for test
* fix: build-up the locale to fusion with dateLocale
* style: run prettier
* remove cursed file
* refactor: remove i18n library and use locale way instead
* format with prettier
* forgot to remove test
* prevent merging error
* format
* format
* fix: allow string for locale
- Check during translation if valid / existing locale
- Allow to use "en" and "en-US" for example
- Add fallback directly in the function
- Add default key in the function
- Add docstring to cfg.ts
* forgot item translation
* remove unused locale variable
* forgot to remove fr-FR testing
* format
* fix: Fix `Backlinks` not applying the display class
Fix#518
* fix: Apply `displayClass` to all layout components
* refactor: Use same style
* fix: Remove `undefined` class using coalescing operator
