Add Pydantic Logfire banner to the docs
Merged
KL
3mo ago+23+23+01234567890123456789-0-0-0123456789
Adds an announcement banner to the docs linking to the Logfire Starlette integration guide, using the theme's announce block.
The link carries utm_source=starlette-docs&utm_medium=banner so clicks can be tracked on the pydantic.dev side.
AI Disclaimer
This PR was developed with the assistance of either Claude or Codex. I've reviewed and verified the changes.