Initial commit: Rentman Clone - Phase 0-6 (T001-T023)

Completed:
- Phase 0: Project Setup (T001-T003) - Docker Compose, FastAPI skeleton, React SPA
- Phase 1: Auth System (T004-T008) - DB models, JWT auth, RBAC middleware, user management
- Phase 2: Contacts & Tags (T009-T011) - CRUD API + UI
- Phase 3: Equipment Catalog (T012-T014) - Models, API, UI with barcode/QR
- Phase 4: Crew Management (T015-T017) - Models, availability, UI
- Phase 5: Vehicle Fleet (T018-T020) - Models, assignments, UI
- Phase 6: Projects (T021-T023) - Project hierarchy models, CRUD API, list/detail UI

.a0/known_errors.md

@@ -0,0 +1,20 @@
+# Known Errors
+
+## Open Errors
+- (none)
+
+## Resolved Errors
+- (none)
+
+## Won't Fix
+- (none)
+
+## Error Log Format
+```
+### Error: <title>
+- Status: open | in_progress | resolved | wont_fix
+- Discovered: <timestamp>
+- Severity: critical | high | medium | low
+- Context: <description>
+- Resolution: <how it was fixed or workaround>
+```