TicTacToe sample does not compile

[lucrus73]

Move is a class, it must be extended, not implemented.

minimax4j/minimax4j-sample/src/main/java/fr/avianey/minimax4j/sample/tictactoe/TicTacToeMove.java

Line 36 in fcb7a9c

public class TicTacToeMove implements Move {