Update app/icon.tsx

app/icon.tsx

@@ -0,0 +1,30 @@
+import { ImageResponse } from "next/og";
+
+export const size = {
+  width: 32,
+  height: 32,
+};
+export const contentType = "image/png";
+
+export default function Icon() {
+  return new ImageResponse(
+    (
+      <div
+        style={{
+          fontSize: 24,
+          background: "linear-gradient(90deg, #667eea 0%, #764ba2 100%)",
+          width: "100%",
+          height: "100%",
+          display: "flex",
+          alignItems: "center",
+          justifyContent: "center",
+          color: "white",
+          borderRadius: "50%",
+        }}
+      >
+        🌍
+      </div>
+    ),
+    { ...size },
+  );
+}