refacto: reorganize files to easily add an API service

app/docker-compose.yml

@@ -1,44 +0,0 @@
-services:
-  consumer:
-    build: ./consumer
-    restart: unless-stopped
-    networks:
-      - lora-gateway_mqtt
-      - database
-
-  db:
-    image: postgres:18-alpine
-    restart: unless-stopped
-    volumes:
-      - ./consumer/initdb:/docker-entrypoint-initdb.d:ro
-      - db:/var/lib/postgresql
-    networks:
-      - database
-    environment:
-      - POSTGRES_USER=simugaz
-      - POSTGRES_PASSWORD=simugaz
-      - POSTGRES_DB=simugaz
-  
-  pgadmin:
-    image: dpage/pgadmin4:latest
-    restart: unless-stopped
-    ports:
-      - 8081:80
-    networks:
-      - public
-      - database
-    volumes:
-      - ./servers.json:/pgadmin4/servers.json
-    environment:
-      PGADMIN_DEFAULT_EMAIL: admin@example.com
-      PGADMIN_DEFAULT_PASSWORD: changeme
-    
-volumes:
-  db:
-
-networks:
-  public:
-  database:
-    internal: true
-  lora-gateway_mqtt:
-    external: true