Added LegendWidget

[aaranadev]

New LegendWidget is added to all skeletons.

[shortcut-integration[bot]]

This pull request has been linked to Clubhouse Story #123846: Layers / Legend component.

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🔍 Inspect: https://vercel.com/carto-frontend/cra-template-carto/GHDSYeScUendAPAeNXq6C485mK3c
✅ Preview: https://cra-template-carto-git-feature-ch123846-carto-frontend.vercel.app

[aaranadev]

This PR is blocked until that https://github.com/CartoDB/carto-react/pull/91 will be merged and a new version will be generated.

[borja-munoz]

I won't add the LegendWidget to the other two templates. I think it is enough to have an example in the sample-app and this feature is not so core to have it in the skeleton templates.

There is a couple of minor bugs:

• The last interval in the KPI legend is missing the "B" for billions
• The legend title in the Tileset legend says "State analysis" and should say "OSM Buildings"

[aaranadev]

Changes on sample-app look nice to me (tested with link)... 👍🏻

Yes, it's tested with link

[aaranadev]

I won't add the LegendWidget to the other two templates. I think it is enough to have an example in the sample-app and this feature is not so core to have it in the skeleton templates.

There is a couple of minor bugs:

• The last interval in the KPI legend is missing the "B" for billions
• The legend title in the Tileset legend says "State analysis" and should say "OSM Buildings"

Ok, It's the same for me. If you prefer only in sample-app. I'll remove it of the other templates

[VictorVelarde]

I'll take this one, to remove legends and review Borja's comments, so to land it asap