Small code improvement

Update card component for more genericity

Update layouts and style

Eleventy dsfr update (#8)

contribute to eleventy-dsfr from codegouv-website

* add missing license
* add components
* add custom markdown containers
* add search
* some styling
* some refactoring
* some small fixes

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Co-authored-by: hjonin <helene.jonin@data.gouv.fr>
Co-authored-by: Bastien <bzg@gnu.org>

fix breadcrumb