Tetris clone in pygame

• First set conf.set_screen in if __name__ == "__main__" section according to your need. You can change many things here. See Config class.
• Down arrow key to start.
• Change level before starting a game by using bracket. [ to decrease and ] to increase level.
• Left or Right arrow key to move.
• Up arrow key to rotate clockwise.
• Down arrow key to speed up the fall.
• a key to rotate counter clockwise
• s key to rotate clockwise.
• c key to change color.
• r to restart game.

Level increase after every 10 lines cleanup. Change this in Config. Or Change level_up_by_score to True to Level up after every 10000 score.

• Add comments
• Clean up and optimize the code Partially done.
• Implement kick system for rotation (now this feature is missing) PR is welcome. Get Idea from here https://tetris.wiki/Super_Rotation_System
• Add an UI system to configure config in game.
• Add better mechanism to change theme.
• Add better mechanism to change level.
• add sound.