feat: add qnap-docker skill

skills/qnap-docker/references/example-heimdall.yml

@@ -0,0 +1,22 @@
+# Exemple de référence : Heimdall (LinuxServer)
+# Source : message de Christophe, 2026-03-11
+
+services:
+  heimdall:
+    image: lscr.io/linuxserver/heimdall:latest
+    container_name: heimdall
+    volumes:
+      - /share/ZFS24_DATA/docker/heimdall:/config
+    environment:
+      - PUID=1005
+      - PGID=100
+      - TZ=Europe/Paris
+    ports:
+      #- 1180:80
+      - 10443:443
+    restart: always
+
+networks:
+  default:
+    name: swag_lan
+    external: true