Extend elevator pitch a bit

[MarcSkovMadsen]

The current Github about says

I believe this package will not only enable users to edit Pydantic Models but also build data apps on top of Pydantic Models.

[MarcSkovMadsen]

Suggested new about

Edit Pydantic models and build data apps from Pydantic models using the awesome Panel package.

[jmosbacher]

Done. Thanks