Add country-based IP blocking for Caddy via Ansible

- Introduce generate_country_blocks.py to fetch IP ranges by country
- Update group_vars/servers.yml with country blocking settings
- Add country_block snippet to Caddyfile and apply to all sites
- Create Ansible tasks for automated IP range generation and integration
- Add documentation for configuring and managing country blocking

config/ansible/tasks/servers/services/caddy/caddy.yml

@@ -1,6 +1,8 @@
 ---
 - name: Deploy Caddy service
   block:
+    - name: Setup country blocking
+      ansible.builtin.include_tasks: country-blocking.yml
     - name: Set Caddy directories
       ansible.builtin.set_fact:
         caddy_service_dir: "{{ ansible_env.HOME }}/services/caddy"