Create server.js

server.js

+
+const canvas = document.getElementById("chessboard");
+const ctx = canvas.getContext("2d");
+const size = 60;
+
+for (let row = 0; row < 8; row++) {
+    for (let col = 0; col < 8; col++) {
+        ctx.fillStyle = (row + col) % 2 === 0 ? "white" : "black";
+        ctx.fillRect(col * size, row * size, size, size);
+    }
+}
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