Add more detials to launch_platform_client method

Author: rbierbasz-gog

src/galaxy/api/plugin.py

@@ -661,7 +661,7 @@ async def shutdown_platform_client(self) -> None:
         raise NotImplementedError()
 
     async def launch_platform_client(self) -> None:
-        """Override this method to launch platform client.
+        """Override this method to launch platform client. Preferably minimized to tray.
         This method is called by the GOG Galaxy Client."""
         raise NotImplementedError()