add note about dashboard

Author: joshmanders

README.md

@@ -57,6 +57,8 @@ CLOUDINARY_UPLOAD_PRESET=your_upload_preset
 CLOUDINARY_NOTIFICATION_URL=
 ```
 
+Note: You can get your `CLOUDINARY_URL` from your [Cloudinary console](https://cloudinary.com/console). It typically looks like this: `cloudinary://API_KEY:API_SECRET@CLOUD_NAME`. Make sure to replace `API_KEY`, `API_SECRET`, and `CLOUD_NAME` with your actual Cloudinary credentials.
+
 ## Usage
 
 ### Upload, Retrieval & Transformation