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

cloudflare/docker-compose.yml

@@ -6,6 +6,8 @@ services:
     command: tunnel --no-autoupdate run --token ${CLOUDFLARE_TUNNEL_TOKEN}
     depends_on:
       - tailscale
+    labels:
+      - diun.enable=true
   tailscale:
     container_name: tailscale
     image: tailscale/tailscale:stable
@@ -22,4 +24,6 @@ services:
     command: tailscaled
     privileged: true
     restart: unless-stopped
+    labels:
+      - diun.enable=true
 networks: {}