New Environment: PikachuVolleyball-v0
* Action Space: MultiDiscrete([18, 18])
* Observation Space: (304, 432, 3)
* Observation high: 255
* Observation low: 0
* Reward: 1 if player1 (left) wins and -1 if player2 (right) wins
* Done: If one of the player scores
* Import: `gym.make("gym-pikachu-volleyball:PikachuVolleyball-v0")`