This is not really easy to produce. I had a dual monitor setup with my laptop, but only one HDMI. I didn't want to do VGA. So I got a HDMI-to-USB dongle which was $50 on Amazon at the time - http

/a.co/7JRmjNj. It needs to have drivers installed. If you don't have 3.0 ports, it's up. It will jst work at 2.0 speeds.
EDIT: Another option could be to get a card reader (which are really cheap), and use an SD card.