Consolidate documentation and update backend services

- Reorganize docs into 'Core deployment guides' and 'Setup and configuration' subdirectories
- Consolidate redundant documentation files (ACR, pipelines, deployment guides)
- Add documentation consolidation plan
- Update backend database factory and logger services
- Update migration script and docker-compose configurations
- Add PostgreSQL setup script

docker-compose.dev.yml

@@ -3,7 +3,7 @@ services:
     image: postgres:15-alpine
     container_name: cmdb-postgres-dev
     environment:
-      POSTGRES_DB: cmdb_cache
+      POSTGRES_DB: cmdb_insight
       POSTGRES_USER: cmdb
       POSTGRES_PASSWORD: cmdb-dev
     ports: