Add attribute table view of vector layers

[arjxn-py]

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📚 Documentation preview: https://jupytergis--860.org.readthedocs.build/en/860/
💡 JupyterLite preview: https://jupytergis--860.org.readthedocs.build/en/860/lite

[github-actions]

👈 Launch a Binder on branch arjxn-py/jupytergis/attribute-table

[github-actions]

Integration tests report: appsharing.space

[martinRenou]

Thanks for starting this 🚀 Have you had a chance to try ipydatagrid's JS components?

[martinRenou]

Do we need beta?

[mfisher87]

Thanks for starting this 🚀 Have you had a chance to try ipydatagrid's JS components?

I'm curious about this -- what advantages does react-data-grid provide over ipydatagrid? If we're going to use a dependency, I like the idea of using one that can provide data binding with other widgets.