chore: reorganiza init-db do postgres

1. docs/backend-deployment/README_IMPLEMENTATION.md

@@ -228,7 +228,7 @@ DOCKER:
 
 CONFIGURAÇÃO:
 ├─ YAML files: 2 (traefik.yml, rules.yml)
-├─ SQL files: 1 (init-db.sql)
+├─ SQL files: 1 (backend/internal/data/postgres/init-db.sql)
 ├─ .env example: 1
 ├─ Dockerfiles: 1
 └─ Scripts: 2 (start-dev.sh, start-dev.bat)