docs 📝: Add Fail2Ban integration tasks to README and directory structure.

Updated the README with instructions on integrating Fail2Ban and modified the directory structure to accommodate new files related to this integration.

README.md

@@ -27,6 +27,7 @@
 | Logrotate protection     |  ✅   |  ✅   |  ✅   |
 | Powertop auto-tune       |  ✅   |  ✅   |  ✅   |
 | Utilities                |  ✅   |  ✅   |  ✅   |
+| Fail2Ban Integration     |  ✅   |  ✅   |  ✅   |
 
 ## 📂 Directory Structure
 
@@ -40,6 +41,7 @@ ansible_role_proxmox_provision/
 ├── meta/              # Role metadata
 │   └── main.yml
 ├── tasks/             # Main role tasks
+│   ├── fail2ban.yml        # Fail2Ban integration tasks
 │   ├── logrotate.yml       # logrotate setup
 │   ├── main.yml            # Core tasks
 │   ├── powertop.yml        # powertop setup
@@ -69,6 +71,7 @@ proxmox_enable_powertop: true
 ## Logrotate
 proxmox_logrotate_maxsize: "100M"
 proxmox_logrotate_rotate: 7
+...
 ```
 
 ## Example usage