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/vaultwarden/tasks/main.yml

@@ -0,0 +1,26 @@
+---
+- name: Create Vaultwarden data directory
+  ansible.builtin.file:
+    path: "{{ vaultwarden_data_dir }}"
+    state: directory
+    owner: glyptic
+    group: docker
+    mode: "0755"
+  tags: [vaultwarden]
+
+- name: Deploy Vaultwarden compose file
+  ansible.builtin.template:
+    src: docker-compose.yml.j2
+    dest: "{{ vaultwarden_compose_dir }}/docker-compose.vaultwarden.yml"
+    owner: glyptic
+    group: docker
+    mode: "0644"
+  tags: [vaultwarden]
+
+- name: Start Vaultwarden
+  community.docker.docker_compose_v2:
+    project_src: "{{ vaultwarden_compose_dir }}"
+    files:
+      - docker-compose.vaultwarden.yml
+    state: present
+  tags: [vaultwarden]