feat(ufw): auto-open firewall ports after app installation

- cloudpanel: allow ftp, smtp, dns, http, https, smtps, imaps, pop3s, and admin panel ports
- coolify: allow http, https, and dashboard port after install
- pterodactyl: allow http, https, wings daemon (8080), and sftp (2022) ports
- uptime-kuma: allow app port on install
- proxmox: add open_firewall_ports() with ufw guard checks and new menu option [9]

apps/cloudpanel.sh

@@ -283,7 +283,20 @@ install_cloudpanel() {
     fi
     
     echo -e "${GREEN}[✓] Installation completed${NC}"
-    
+
+    ufw_allow 20/tcp           "CloudPanel FTP data"
+    ufw_allow 21/tcp           "CloudPanel FTP"
+    ufw_allow 25/tcp           "CloudPanel SMTP"
+    ufw_allow 53/tcp           "CloudPanel DNS (TCP)"
+    ufw_allow 53/udp           "CloudPanel DNS (UDP)"
+    ufw_allow 80/tcp           "CloudPanel HTTP"
+    ufw_allow 443/tcp          "CloudPanel HTTPS"
+    ufw_allow 465/tcp          "CloudPanel SMTPS"
+    ufw_allow 587/tcp          "CloudPanel submission"
+    ufw_allow 993/tcp          "CloudPanel IMAPS"
+    ufw_allow 995/tcp          "CloudPanel POP3S"
+    ufw_allow "${PANEL_PORT}/tcp" "CloudPanel admin"
+
     # Configure Basic Auth
     configure_cloudpanel_basic_auth