Fix critical discrepancies found during validation audit

- Fix cert resolver name (cloudflare -> letsencrypt)
- Fix volume paths (/mnt/nas -> /data)
- Add missing custom port mappings
- Add privileged/capability flags
- Add 8 new roles: portainer, n8n, nodered, influxdb, guacamole, watchtower, rtlamr2mqtt, telegraf
- Fix Traefik template (ports, ACME path, wildcard cert)
- Add extra volume mounts for media services

roles/telegraf/tasks/main.yml

@@ -0,0 +1,14 @@
+---
+- name: Create telegraf compose directory
+  file:
+    path: "{{ telegraf_compose_dir }}"
+    state: directory
+- name: Deploy telegraf compose file
+  template:
+    src: docker-compose.yml.j2
+    dest: "{{ telegraf_compose_dir }}/docker-compose.yml"
+  notify: restart telegraf
+- name: Start telegraf
+  community.docker.docker_compose_v2:
+    project_src: "{{ telegraf_compose_dir }}"
+    state: present