Convert spatialdata-plot plotting tree to Vitessce config

[keller-mark]

https://github.com/scverse/spatialdata-plot/blob/88f692848e06907fe86a8ac3bc0f689b1a114479/src/spatialdata_plot/pl/basic.py#L139

spatialdata-plot has the goal to support different plotting backends. If we can convert the plotting tree generated by spatialdata-plot to a Vitessce configuration, we can add Vitessce as a "backend".

[keller-mark]

See keller-mark/spatialdata-vis-interop#9