[FEATURE] Provide Solara and/or Reacton as Alternate React Scaffold

[swainn]

Is your feature request related to a problem? Please describe. Solara and Reacton provide a Python-based ipywidgets interface for a React frontend.

Describe the solution you'd like Create a new app scaffold with Solara/Reacton integrated.

Describe alternatives you've considered Alternative for current experimental React frontend.

Additional context Solara (built on Reacton): https://github.com/widgetti/solara Reacton: https://github.com/widgetti/reacton

[swainn]

Also look into ReactPy: https://reactpy.dev/docs/index.html

[swainn]

Test: try creating a Map View Component (similar to the Map View Gizmo) to test the capabilities of these libraries.