[Demo] Add VizroAI dashboard UI

[nadijagraca]

Description

Dashboard to-do:

• show uploaded data
• try large datasets
• send dashboard object in subprocess

Outstanding questions:

• try large datasets
• should text-to -dashboard and image-to-dashboard be together
• should uploaded images be visible

Screenshot

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[lingyielia]

Does it support multiple dataframes upload and render all files uploaded?

[lingyielia]

Just run it locally, we probably still need to render something to showing the dashboard generation is in progress. Otherwise it is quite confusing.

One option is to add loading/spinner like when chart UI is running,
Second option probably is more intuitive for dashboard - could we render the progress bar in UI? like when it's running in notebook

[nadijagraca]

PR closed, new version available on branch: vizro_ai/demo/add_dashboard_ui