Add structured Bug Report Issue Template (Fixes #6763)

[Nihhaar0002]

This PR introduces a new GitHub Issue Template specifically for reporting bugs.

• Matches the structure shown in issue #6763 -Sections for Summary, Environment, Steps, Expected vs Actual behavior -Areas for logs, configuration files, screenshots, and additional context

This helps contributors report bugs more accurately and improves issue triaging.

Fixes #6763

Let me know if you'd like any changes!