Create recursive image rotation animations
Example animations:
https://www.youtube.com/watch?v=OXo-uzzD4Js
https://www.reddit.com/r/compsci/comments/izy2kf/rotating_an_image_recursively_one_of_my_favorite/
Usage: rotate.py <input_image> <output_file>
NOTE: The input image must have dimensions N x N where N is a power of 2.