Add expert Playwright test suite review and recommendations

Comprehensive review covering:
- Test structure assessment (4/5 rating)
- 10 priority recommendations with code examples
- Quick wins for immediate improvement
- Anti-patterns to avoid
- Project structure recommendations
- Metrics and monitoring guidance

Key recommendations:
1. Expand Page Object Model usage
2. Implement custom fixtures
3. Eliminate hard waits (use auto-waiting)
4. Add test data builders
5. Improve test reporting with annotations and steps

Provides actionable roadmap to elevate test suite to expert-level quality.

Author: workcontrolgit