Add issue template

[kushwxha]

hey @samyakmaitre,
i would like to add issue template to the repo so i would be easy for contributors to create new and descriptive issues.
so that anyone can understand issue easily.
can you please assign it to me? i would like to work on it.

[github-actions]

👋 Thank you for raising an issue! We appreciate your effort in helping us improve. Our Eventmint team will review it shortly. Stay tuned!

[samyakmaitre]

Thank you for your suggestion. Currently, this is not a priority at the moment. However, feel free to create new issues or suggest additional features for future development.

Looking forward to collaborating again soon.

Best regards,
Samyak