Added the fifth Button to the GUI

src/main/java/game/StartTicTacToeGame.java

@@ -68,6 +68,12 @@ public class StartTicTacToeGame implements ActionListener{
 		button4.setBounds(200, 250, 100,100);
 		button4.addActionListener(this);
 		gui.Frame.add(button4);
+		
+		button5 = new JButton();
+		button5.setBackground(Color.white);
+		button5.setBounds(350, 250, 100,100);
+		button5.addActionListener(this);
+		gui.Frame.add(button5);
 	}