Update README to reflect host IP for access

Signed-off-by: dittops <dittops@gmail.com>

Author: dittops

PolyLingua/ui/README.md

@@ -54,7 +54,7 @@ yarn dev
 pnpm dev
 ```
 
-4. Open [http://localhost:3000](http://localhost:3000) in your browser to see the application.
+4. Open YOUR_HOST_IP:3000 in your browser to see the application.
 
 ## Project Structure