Add: new docker-compose file for dev setup

backend/docker-compose.yml

@@ -1,29 +0,0 @@
-services:
-  db:
-    image: postgres:16
-    container_name: postgres_dev
-    restart: unless-stopped
-    environment:
-      POSTGRES_USER: archivist
-      POSTGRES_PASSWORD: password
-      POSTGRES_DB: archivist
-      TZ: Europe/Berlin
-    ports:
-      - "5432:5432"
-    volumes:
-      - postgres_data:/var/lib/postgresql/data
-
-  pgadmin:
-    image: dpage/pgadmin4
-    container_name: pgadmin_dev
-    restart: unless-stopped #always
-    environment:
-      PGADMIN_DEFAULT_EMAIL: aroy-art@pm.me
-      PGADMIN_DEFAULT_PASSWORD: admin
-    ports:
-      - "5050:80"
-    depends_on:
-      - db
-
-volumes:
-  postgres_data: