feat(recommend): add Trending-Facets model

[raed667]

Summary

Add Recommend model trending-facets

TODO

• Figure out what to do with sendEvent (Recommend analytics does not support trending-facets)
• Implement tests

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example-instantsearch-getting-started	Configuration
example-react-instantsearch-getting-started	Configuration
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example-react-instantsearch-next-routing-example	Configuration
example-vue-instantsearch-getting-started	Configuration

[raed667]

@algolia/frontend-experiences-web hi team, this is not urgent, but can someone help figure out go the fix the V4 types 🙏 ?

[Haroenv]

Originally we didn't implement trending facets as it's not clear how we want to incorporate the filtering / links inside it, as it could be many different attributes, refinement types.

However, it makes sense to be able to fully deprecate the old recommend widgets, and so we'll need trending facets too.

What we'll need to be able to later create a filtering directly from this widget I think is to make the itemComponent required here, so changing the default isn't a breaking change.

[raed667]

Closing in favor of #6957