Initial Ansible automation for hobbs.farm infrastructure

Complete IaC covering:
- 14 roles: common, docker, traefik, vaultwarden, monitoring, media, matrix,
  home_assistant, frigate, adguard, gitea, semaphore, openclaw, security, backup
- Inventory for all hosts (Peggy, Bart, Yoda, NAS, Firewalla)
- Stack playbooks: core-infrastructure, monitoring, media, communication,
  automation, smarthome, security-hardening
- Maintenance playbooks: update-containers, backup, health-check
- Production Docker Compose templates with Traefik labels
- Security hardening (sysctl, auditd, UFW, fail2ban)
- Automated backups with retention policy

roles/traefik/tasks/main.yml

@@ -0,0 +1,41 @@
+---
+- name: Create Traefik directories
+  ansible.builtin.file:
+    path: "{{ item }}"
+    state: directory
+    owner: glyptic
+    group: docker
+    mode: "0755"
+  loop:
+    - "{{ traefik_compose_dir }}"
+    - "{{ traefik_data_dir }}"
+    - "{{ traefik_data_dir }}/acme"
+    - "{{ traefik_data_dir }}/dynamic"
+  tags: [traefik]
+
+- name: Ensure acme.json exists with correct permissions
+  ansible.builtin.file:
+    path: "{{ traefik_data_dir }}/acme/acme.json"
+    state: touch
+    owner: root
+    group: root
+    mode: "0600"
+    modification_time: preserve
+    access_time: preserve
+  tags: [traefik]
+
+- name: Deploy Traefik compose file
+  ansible.builtin.template:
+    src: docker-compose.yml.j2
+    dest: "{{ traefik_compose_dir }}/docker-compose.yml"
+    owner: glyptic
+    group: docker
+    mode: "0644"
+  notify: Restart traefik stack
+  tags: [traefik]
+
+- name: Start Traefik stack
+  community.docker.docker_compose_v2:
+    project_src: "{{ traefik_compose_dir }}"
+    state: present
+  tags: [traefik]