feat(city-service): add Governance, Audit, Incidents API endpoints

- Added repo_governance.py with database operations
- Added routes_governance.py (/api/v1/governance/*)
- Added routes_audit.py (/api/v1/audit/*)
- Added routes_incidents.py (/api/v1/incidents/*)
- Updated main.py to include new routers

services/city-service/main.py

@@ -16,6 +16,11 @@ import routes_city
 import ws_city
 import repo_city
 import migrations  # Import migrations
+
+# Governance API modules
+import routes_governance
+import routes_audit
+import routes_incidents
 from common.redis_client import get_redis, close_redis
 from presence_gateway import (
     websocket_global_presence,
@@ -58,6 +63,11 @@ app.include_router(routes_city.router)
 app.include_router(routes_city.public_router)
 app.include_router(routes_city.api_router)
 
+# Governance API routers
+app.include_router(routes_governance.router)
+app.include_router(routes_audit.router)
+app.include_router(routes_incidents.router)
+
 # ============================================================================
 # Models
 # ============================================================================