🧹 Code Health: Replace print with debugPrint in example app

[LimaniBhavik]

🎯 What: The print statement in example/lib/main.dart was replaced with debugPrint.
💡 Why: Using debugPrint or a proper logger instead of standard print statements improves code maintainability, avoids truncating long outputs, and is widely considered best practice in Flutter apps.
✅ Verification: Formatted the file, ran flutter analyze in the example/ folder, and executed flutter test. No issues or functionality regressions were found.
✨ Result: Better code health and readability.

---

PR created automatically by Jules for task 17092765833848643642 started by @LimaniBhavik

[google-labs-jules]

👋 Jules, reporting for duty! I'm here to lend a hand with this pull request.

When you start a review, I'll add a 👀 emoji to each comment to let you know I've read it. I'll focus on feedback directed at me and will do my best to stay out of conversations between you and other bots or reviewers to keep the noise down.

I'll push a commit with your requested changes shortly after. Please note there might be a delay between these steps, but rest assured I'm on the job!

For more direct control, you can switch me to Reactive Mode. When this mode is on, I will only act on comments where you specifically mention me with @jules. You can find this option in the Pull Request section of your global Jules UI settings. You can always switch back!

New to Jules? Learn more at jules.google/docs.

---

For security, I will only act on instructions from the user who triggered this task.