first bang implementation

app/lib/utils/image_helper.dart

@@ -0,0 +1,12 @@
+import 'dart:typed_data';
+import 'dart:ui';
+
+Future<bool> isImageValid(Uint8List bytes) async {
+  try {
+    final codec = await instantiateImageCodec(bytes, targetWidth: 32);
+    final frameInfo = await codec.getNextFrame();
+    return frameInfo.image.width > 0;
+  } catch (e) {
+    return false;
+  }
+}