Update README.md

Author: twishabansal

README.md

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 Developers can effortlessly connect, interact, and generate data insights with [BigQuery](https://cloud.google.com/bigquery/docs) datasets and data using natural language commands.
 
-[Learn more about Gemini CLI Extensions](https://github.com/google-gemini/gemini-cli/blob/main/docs/extensions/index.md).
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 > [!IMPORTANT]
 > **We Want Your Feedback!**
 > Please share your thoughts with us by filling out our feedback [form][form].