Initial commit - Security operations and hardening tools

- Added Ansible playbooks for security hardening (UFW, Fail2Ban)
- Implemented SSH key management and host synchronization tools
- Created UFW hardening scripts and network security configurations
- Added Cockpit-Traefik reverse proxy setup documentation

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

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

hosts.j2

@@ -0,0 +1,10 @@
+# /etc/hosts - Managed by Ansible
+
+{% for host in hosts_entries %}
+{{ host.ip }}    {{ host.name }}
+{% endfor %}
+
+# --- Commented Hosts / Reserved Entries ---
+{% for host in hosts_commented %}
+# {{ host.ip }}    {{ host.name }}
+{% endfor %}