feat: add Adminer support for PostgreSQL management

- Updated DATABASE_SETUP.md to include instructions for starting Adminer alongside PostgreSQL.
- Enhanced Docker Compose configuration to add Adminer service for database management.
- Provided connection details and usage instructions for Adminer in the documentation.
- Updated commands for restarting services and viewing logs to include Adminer.

docker-compose.yml

@@ -18,5 +18,17 @@ services:
       timeout: 5s
       retries: 5
 
+  # Adminer - Interface web pour PostgreSQL
+  adminer:
+    image: adminer:4.8.1
+    restart: always
+    ports:
+      - "8080:8080"
+    environment:
+      ADMINER_DEFAULT_SERVER: postgres
+      ADMINER_DESIGN: pepa-linha-dark
+    depends_on:
+      - postgres
+
 volumes:
   postgres_data: