run it with python3 after `pipenv install opencv-python` 

this progrram opens a fullscreen window showing a feed from camera 0 with a delay.
it will collect a lot of video files in the videos/ folder, and use them for showing a long (multiple minutes) delay
it also holds ontoo a buffer of a couple hundred frames to show shorter delays (like 5 oor 30 seconds)
it doesn't currently do anything to handle missing files, but it would be nice to give it a "default" swirly portal looking video to show
hopefully this'll run on a raspberry pi in the desert.