Update README.md

Author: jeffmaki

README.md

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 Look at the [Nuxt 3 documentation](https://nuxt.com/docs/getting-started/introduction) to learn more.
 
+### ⚠️ Reminder: you must set the tag of the environment you wish to deploy in this repo, then run the deploy workflow in workspaces-stack to deploy to dev, stage or prod. 
+
 ## Dev Setup
 
 NB: This will start the dev server against the cloud-hosted backend. If you need to change both the frontend and the backend, you'll