readme update

README.md

@@ -16,7 +16,16 @@ A GUI for image generation
 - [License](#license)
 
 ## Deploy to Vercel
-[![Deploy with Vercel](https://vercel.com/button)](https://vercel.com/new/clone?repository-url=https%3A%2F%2Fgithub.com%2Fastriaai%2Fimagine&env=ASTRIA_API_KEY,VITE_PROXY_URL)
+[![Deploy with Vercel](https://vercel.com/button)](https://vercel.com/new/clone?repository-url=https%3A%2F%2Fgithub.com%2Fastriaai%2Fimagine&env=VITE_PROXY_URL,ASTRIA_API_KEY,VITE_DEPLOY_TO_SUBDIRECTORY)
+
+### Vercel Deployment ENV
+On click of the deployment button fill the env accordingly:
+
+   ```plaintext
+   VITE_PROXY_URL=/api/proxy
+   ASTRIA_API_KEY=fill your astria api key
+   VITE_DEPLOY_TO_SUBDIRECTORY=false
+   ```
 
 ## Installation