ISTWCMS-5598: adding all the things needed for a basic card

src/patterns/04-components/card/_card.scss

src/patterns/04-components/card/card-elements/_content.twig

...ns/04-components/card/card-elements/_footer-elements.twig

src/patterns/04-components/card/card-elements/_header.twig

src/patterns/04-components/card/card-elements/_link.twig

src/patterns/04-components/card/card-elements/_links.twig

src/patterns/04-components/card/card-elements/_tags.twig

src/patterns/04-components/card/card.twig

src/patterns/04-components/card/card.yml

src/patterns/04-components/details/_details.scss

src/patterns/04-components/details/details.twig

src/patterns/04-components/details/details.yml

src/patterns/04-components/label/label.twig

src/patterns/04-components/links/links.twig

src/patterns/04-components/tag-list/_tag-list.scss

src/patterns/04-components/tag-list/tag-list.twig

src/patterns/04-components/tag-list/tag-list.yml