New component: Data card

# Change Proposal: Introduce a 'data card' component

## What is being proposed?
[Component specified in Figma](https://www.figma.com/design/3313bqDfu7fEa3bzJCvEQZ/Diamond-MUI-Component-Library?node-id=14271-34170).

## Why is this needed?

For consistently displaying structured label–value data in dashboards and system views.

## Breaking change?

- [ ] Yes
- [x] No

## Next steps
A maintainer will review this issue.
If accepted, it will be marked as `accepted` and a PR may then be opened.

Start by reviewing the linked Figma specification for the proposed data card and then inspect the repository's existing component patterns. Confirm the intended label–value states, API, and placement with a maintainer before implementation. Done means a new data card component that matches the accepted Figma design and has the expected project coverage.

Scritto dal modello di indicizzazione a partire dal testo della issue.