feat: python panels integration

[simontaurus]

Idea: Auto-generate UI elements to manipulate dataclass instances that are used as input params for plotting, data analytics, etc. See:

• https://github.com/holoviz/panel/issues/2516
• https://github.com/jmosbacher/pydantic-panel/issues/19
• https://github.com/holoviz/param/issues/809
• https://github.com/holoviz/param/issues/828