Almost finished possibleMoves for Knight

src/main/java/Main.java

src/main/java/Pieces/Bishop.java

src/main/java/Pieces/King.java

src/main/java/Pieces/Knight.java

src/main/java/Pieces/Pawn.java

src/main/java/Pieces/Queen.java

src/main/java/Pieces/Rook.java

target/classes/Debug.class

target/classes/Main.class

target/classes/Pieces/Bishop.class

target/classes/Pieces/King.class

target/classes/Pieces/Piece.class

target/classes/Pieces/PlayerColor.class

target/classes/Pieces/Queen.class

target/classes/Pieces/Rook.class

target/classes/Playfield/Board.class

target/classes/Playfield/Square.class