Add object detection template

[vfdev-5]

This is tracking issue for future releases

• Segmentation: we can use our pascal voc example (done by feat(templates): add a image segmentation template #129)
• Detection: todo

[yeonju7kim]

Hello. I want to contribute to this kind of issue, but I'm afraid that this issue arose 2 years ago.
Do you think I can still do this?

[theory-in-progress]

Hello!

Yes, we would still love to have the feature implemented, and contributions are welcome! Please feel free to explore the code-generator project, and if you have any questions or doubts, don't hesitate to contact us on Discord.

Looking forward to your contributions!