Add functionality to display a chess board and pieces

Adds new Java files for Chess game logic, piece representation, and display initialization, along with imports for GUI and event handling.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: f6819c21-e85d-45ac-acde-604db2cfa4fe
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: b3669ecc-6df5-4941-bb0c-6a0ed9bbd81e
Replit-Helium-Checkpoint-Created: true

Chess/Pawn.java

@@ -0,0 +1,10 @@
+import java.awt.*;
+import javax.swing.ImageIcon;
+
+public class Pawn extends Piece{
+    
+    
+    public Pawn(int x, int y,String color){
+        super(x,y,new ImageIcon("Sprites/" + color + "/Pawn.png").getImage());
+    }
+}