Displays the print queue of Berkeley OCF printers on a web page for easy viewing.
dependencies: redis, flask, gunicorn
useful links: https://github.com/ocf/labmap/blob/master/Dockerfile
useful command: sudo docker run -d -it -p 8000:8000 --name printlist-gunicorn print-disp
Developer Mode: python3 main.py --dev
Sends a "Print" every 5 seconds