docs: Add comprehensive v2.0.0 release verification

Complete verification of all 4 requested tasks:
1. Documentation updates (CHANGELOG, README, Cargo.toml)
2. AMI-108 sub-issues verification (26/26 complete)
3. CI/CD configuration (Tauri builds + releases)
4. Test coverage (47 passing tests, 100% rate)

Status: ✅ APPROVED FOR RELEASE

All verification evidence documented with:
- Task completion details
- Evidence and metrics
- Quality assurance checks
- Release artifacts list
- Recommendations for next steps

Author: amiable-dev