Sphinx-design-elements

- Add "grid table" element, using directives `sd-table`, `sd-row`, `sd-item`
- Add "info card" element, using directive `info-card`
- Add "tag(s)" shortcuts, using roles `tag` and `tags`


[sphinx-design change log]: https://sphinx-design.readthedocs.io/en/furo-theme/changelog.html#v0-6-0-2024-05-23