Restart functionality in Main class and Enum for snake directions#18

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Abductcows wants to merge 3 commits intohexadeciman:masterfrom

Abductcows:master

Commits on Jan 23, 2021

replaced int snake directions with directions enum
George Bouroutzoglou
committed
added game restart loop in Main
George Bouroutzoglou
committed
made the game window centered by default
George Bouroutzoglou
committed