Migrate Portainer stacks to Komodo

- Add 11 new stack compose files from syn01 and syn02
- syn01 stacks: postgres01, paperless-ngx, minio, beszel-hub, gitea, adguard
- syn02 stacks: radarr, lidarr, sabnzbd, sonarr, arr-cleanup
- Update resources.toml with all new stack definitions
- Remove embedded file_contents from prowlarr stack
- Use environment variables for sensitive data (passwords, API keys)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

stacks/beszel-hub.compose.yml

@@ -0,0 +1,21 @@
+services:
+  beszel:
+    container_name: Beszel
+    image: henrygd/beszel:latest
+    volumes:
+      - /volume1/docker/beszel:/beszel_data:rw
+    ports:
+      - 8095:8090
+    restart: on-failure:5
+
+  beszel-agent:
+    image: henrygd/beszel-agent
+    container_name: Beszel-Agent
+    network_mode: host
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock:ro
+    environment:
+      LISTEN: 45876
+      KEY: 'ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHcTZEemBy0qPGuNEkV15ZX6T+j87KVHYZNMY/GJK+QD'
+      FILESYSTEM: /dev/sda1
+    restart: on-failure:5