docs(mobile-client): add note for connecting local API from physical device

- Add an aside note in the local setup guide
- Inform users about additional configuration for physical devices
- Link to the development environment setup guide for more details

Author: fulleni

src/content/docs/mobile-client/local-setup.mdx

@@ -51,6 +51,10 @@ This guide will walk you through setting up and running the Flutter News App Mob
     For the `development` environment, you must have the [API Server running locally](/docs/api-server/local-setup/) first.
     </Aside>
 
+    <Aside type="note">
+    To connect to your local API server from a physical mobile device, additional configuration is required. Please see the [Connecting to a Local API from a Physical Device](/docs/development-environment-setup/) guide.
+    </Aside>
+
 5.  **Run the Application**
 
     Start the Flutter development server. Ensure you have a simulator/emulator running or a physical device connected.