added temp sprites and filled board

Board.java

@@ -7,10 +7,19 @@ public class Board {
     board = new Piece[8][8];
     for (int i = 0; i <= 7; i++) {
       board[i][1] = new Pawn(i, 1, "Black");
-    }
-    for (int i = 0; i <= 7; i++) {
       board[i][6] = new Pawn(i, 6, "White");
     }
+    for (int i = 0; i <= 7; i += 7) {
+      String color = i == 0 ? "Black" : "White";
+      board[0][i] = new Rook(0, i, color);
+      board[7][i] = new Rook(7, i, color);
+      board[1][i] = new Knight(1, i, color);
+      board[6][i] = new Knight(6, i, color);
+      board[2][i] = new Bishop(2, i, color);
+      board[5][i] = new Bishop(5, i, color);
+      board[4][i] = new King(4, i, color);
+      board[3][i] = new Queen(3, i, color);
+    }
   }
 
   public Board(boolean isCopy) {