docs: update readme with form (#38)

Author: averikitsch

README.md

@@ -6,19 +6,28 @@
 This Gemini CLI extension provides a set of tools to interact with [Dataplex](https://cloud.google.com/dataplex/docs) instances. It allows you to manage your data lakes, zones, and assets directly from the [Gemini CLI](https://google-gemini.github.io/gemini-cli/), using natural language prompts.
 
 Learn more about [Gemini CLI Extensions](https://github.com/google-gemini/gemini-cli/blob/main/docs/extensions/index.md).
+> [!IMPORTANT]
+> **We Want Your Feedback!**
+> Please share your thoughts with us by filling out our feedback [form][form]. 
+> Your input is invaluable and helps us improve the project for everyone.
+
+[form]: https://docs.google.com/forms/d/e/1FAIpQLSfEGmLR46iipyNTgwTmIDJqzkAwDPXxbocpXpUbHXydiN1RTw/viewform?usp=pp_url&entry.157487=dataplex
 
 ## Why Use the Dataplex Extension?
 
 * **Natural Language Management:** Stop wrestling with complex commands. Explore schemas and query data by describing what you want in plain English.
 * **Seamless Workflow:** As a Google-developed extension, it integrates seamlessly into the Gemini CLI environment. No need to constantly switch contexts for common database tasks.
 * **Code Generation:** Accelerate development by asking Gemini to generate data classes and other code snippets based on your table schemas.
 
+
 ## Prerequisites
 
 Before you begin, ensure you have the following:
 
 * [Gemini CLI](https://github.com/google-gemini/gemini-cli) installed with version **+v0.6.0**.
+* Setup Gemini CLI [Authentication](https://github.com/google-gemini/gemini-cli/tree/main?tab=readme-ov-file#-authentication-options).
 * A Google Cloud project with the **Dataplex API** enabled.
+* Ensure [Application Default Credentials](https://cloud.google.com/docs/authentication/gcloud) are available in your environment.
 * IAM Permissions:
   * Dataplex Data Reader (`roles/dataplex.dataReader`): For reading data from the underlying assets (e.g., to run analytics queries).
   * Service Usage Consumer (`roles/serviceusage.serviceUsageConsumer`)
@@ -35,7 +44,7 @@ gemini extensions install https://github.com/gemini-cli-extensions/dataplex
 
 ### Configuration
 
-Set the following environment variables before starting the Gemini CLI:
+Set the following environment variables before starting the Gemini CLI. These variables can be loaded from a `.env` file.
 
 * `DATAPLEX_PROJECT`: The GCP project ID.