Add tabletop components 486-500 and ten game icons

Fifteen pieces of a games night: Dice, DiceTray, PlayingCard, CardHand,
Deck, Chessboard, GoBoard, MahjongTile, Domino, Roulette, CoinFlip,
BingoCard, TicTacToe, ScoreTrack and Meeple. Component number 500 is
a meeple, which seems right.

Dice tumble, coins turn and wheels spin on a cue, a frame at a time,
and land at once under Reduce Motion. Hands lift the card you point
at and play the one drawn on top; pieces and stones pick the lighter
of Lit and Ink for White, so they read in every palette; the computer
plays a fair O; FREE is a star in every language.

New 12x12 icons: Spade, Club, Diamond, Meeple, King, Queen, Rook,
Bishop, Knight and Pawn.

icon/icon.go

@@ -36,4 +36,6 @@ var All = []Named{
 	{"skull", Skull}, {"scroll", Scroll}, {"flame", Flame}, {"drop", Drop},
 	{"leaf", Leaf}, {"flower", Flower}, {"sun", Sun}, {"moon", Moon},
 	{"cloud", Cloud}, {"snowflake", Snowflake}, {"bolt", Bolt}, {"palette", Palette},
+	{"spade", Spade}, {"club", Club}, {"diamond", Diamond}, {"meeple", Meeple},
+	{"king", King}, {"queen", Queen}, {"rook", Rook}, {"bishop", Bishop}, {"knight", Knight}, {"pawn", Pawn},
 }