update .gitignore and add diun service labels in multiple docker-compose files

mealie/docker-compose.yml

@@ -29,6 +29,8 @@ services:
     depends_on:
       postgres:
         condition: service_healthy
+    labels:
+      - diun.enable=true
   postgres:
     container_name: postgres
     image: postgres:15
@@ -45,11 +47,8 @@ services:
       interval: 30s
       timeout: 20s
       retries: 3
+    labels:
+      - diun.enable=true
 volumes:
   mealie-data: null
   mealie-pgdata: null
-networks:
-  cloudflare_default:
-    external: true
-x-dockge:
-  urls: []