refactor: migrate JWT storage to secure storage, update assets, and enhance login verification logic.

siro_driver/bubble-master/lib/bubble.dart

@@ -21,7 +21,7 @@ class Bubble {
   /// puts app in background and shows floaty-bubble head
   Future<void> startBubbleHead({bool sendAppToBackground = true}) async {
     ByteData bytes = await rootBundle.load(
-      'assets/images/logo1.png',
+      'assets/images/logo.png',
     );
     var buffer = bytes.buffer;
     var encodedImage = base64.encode(Uint8List.view(buffer));