chess_vectors_flutter library Null safety

Classes

BlackBishop
Black bishop vector
BlackKing
black king vector
BlackKnight
Black knight vector
BlackPawn
Black pawn vector
BlackQueen
black queen vector
BlackRook
black rook vector
WhiteBishop
White Bishop vector
WhiteKing
white king vector
WhiteKnight
White Knight vector
WhitePawn
White pawn vector
WhiteQueen
white queen vector
WhiteRook
white rook vector