Added support for rendering with pygame#4

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elliottower wants to merge 6 commits intofrankilepro:masterfrom

elliottower:pygame

Commits on Feb 11, 2023

Added working requirements.txt, play_custom.py file with example of custom defined game settings (from README)
elliottower
committed
Relaxed requirements.txt to only include hard coded versions for opencv-python, tensorflow, gym (all which resulted in errors/were unable to install with newest version)
elliottower
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Put custom env import to end of __init__ import statement to be nondestructive compared to original file, updated custom env settings to match README
elliottower
committed

Commits on Feb 14, 2023

commit what is not the .c files
elliottower
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Updated repo to work with gymnasium (0.27.1) rather than gym
elliottower
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Added functionality to render using Pygame rather than pyplot
elliottower
committed