Refactor: deplacer backend dans apps/backend

docker-compose.yml

@@ -1,13 +0,0 @@
-version: "3.8"
-
-services:
-  backend:
-    build: .
-    container_name: portfolio-backend
-    restart: unless-stopped
-    env_file:
-      - .env
-    ports:
-      - "8000:8000"
-    volumes:
-      - .:/app