Add GitHub Issue Templates (bug report & feature request)

[JosephDoUrden]

Summary

Add structured issue templates to make it easier for contributors to report bugs and request features.

What needs to be done

• Create .github/ISSUE_TEMPLATE/bug_report.yml with fields:
  • Bug description
  • Steps to reproduce
  • Expected vs actual behavior
  • Node.js version, package version
• Create .github/ISSUE_TEMPLATE/feature_request.yml with fields:
  • Problem/motivation
  • Proposed solution
  • Alternatives considered

Reference

Based on the issue templates in vercel-seo-audit.

Acceptance Criteria

• "New Issue" page shows structured templates
• Bug reports collect version and reproduction steps
• Feature requests collect motivation and proposed solution