Update README.md

Author: C-vind

README.md

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 # Dynamic_Nonogram
 A picture logic puzzle game commonly known as Nonogram. In this version, the player is given the capability to dynamically set up the board size and henceforth adjust the difficulty of the game. In addition, the picture is generated randomly every time the player start a new game. Therefore, the player can expect the puzzle to stay unique and different for each game.
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+Reference:
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+https://en.wikipedia.org/wiki/Nonogram