Support changing the name and version for ipywidgets registration

[fskpf]

Can I somehow change the name and version of the widget in ipywidgets? It always appears as "anywidget" in jupyter lab installed extensions:

Is there any way to customize this? To me it looks like this is hardcoded here(?)

• https://github.com/manzt/anywidget/blob/main/anywidget/widget.py#L28
• https://github.com/manzt/anywidget/blob/main/anywidget/_descriptor.py#L86
• https://github.com/manzt/anywidget/blob/main/packages/anywidget/src/widget.js#L498