chore: update readme install cmd (#11)

Author: averikitsch

README.md

@@ -16,7 +16,7 @@ Learn more about [Gemini CLI Extensions](https://github.com/google-gemini/gemini
 
 Before you begin, ensure you have the following:
 
-*   [Gemini CLI](https://github.com/google-gemini/gemini-cli) installed with version +v0.6.0.
+*   [Gemini CLI](https://github.com/google-gemini/gemini-cli) installed with version **+v0.6.0**.
 *   A Google Cloud project with the **Cloud Monitoring API** enabled.
 *   IAM Permissions
     * Monitoring Viewer (`roles/monitoring.viewer`)
@@ -26,7 +26,7 @@ Before you begin, ensure you have the following:
 To install the extension, use the command:
 
 ```bash
-gemini extensions install github.com/gemini-cli-extensions/cloud-sql-sqlserver-observability
+gemini extensions install https://github.com/gemini-cli-extensions/cloud-sql-sqlserver-observability
 ```
 
 ## Configuration