Card components

Create card component used for login, manage days and manage users.

Look for existing UI components in the repository to understand the design system and coding style. The card component should be reusable for login, manage days, and manage users. Check if there are any design specifications or examples in the codebase. Start by creating a new component file in the appropriate directory, then integrate it into the relevant pages.

Rédigé par le modèle d'indexation à partir du texte de l'issue.