GenAI: Autogenerate title and description for panels and dashboards

[ivanortegaalba]

What is this feature?

It enables the feature flag to Autogenerate the title and description for dashboards and panels: https://grafana.com/docs/grafana-cloud/whats-new/#use-ai-to-generate-titles-and-descriptions-for-panels-and-dashboards

You can now use generative AI to assist you in your Grafana dashboards. So far generative AI can help you generate panel and dashboard titles and descriptions - You can now generate a title and description for your panel or dashboard based on the data you’ve added to it.

Why do we need this feature?

This is useful when you want to quickly visualize your data and don’t want to spend time coming up with a title or description.

Who is this feature for?

Everyone with the LLM plugin enabled

Which issue(s) does this PR fix?:

Part of #83710

Special notes for your reviewer:

Please check that:

• It works as expected from a user's perspective.
• If this is a pre-GA feature, it is behind a feature toggle.
• The docs are updated, and if this is a notable improvement, it's added to our What's New doc.

[nmarrs]

🚀