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/uptime-kuma.sh

@@ -137,18 +137,24 @@ EOF
     echo ""
     echo -e "${CYAN}Access URL: ${BOLD}http://$server_ip:$PORT${NC}"
     echo ""
-    
+
+    ufw_allow "${PORT}/tcp" "Uptime Kuma"
+
     # Optional domain configuration
     echo -e "${WHITE}Configure domain with SSL? (y/n)${NC}"
     read -n 1 -r
     echo ""
-    
+
     if [[ $REPLY =~ ^[Yy]$ ]]; then
         read -p "Domain name: " DOMAIN_NAME
         read -p "Email for SSL: " EMAIL
         echo ""
         configure_domain_ssl "$DOMAIN_NAME" "$EMAIL"
-        [ $? -eq 0 ] && echo -e "${GREEN}[✓] Domain configured: ${BOLD}https://$DOMAIN_NAME${NC}"
+        if [ $? -eq 0 ]; then
+            echo -e "${GREEN}[✓] Domain configured: ${BOLD}https://$DOMAIN_NAME${NC}"
+            ufw_allow 80/tcp  "Uptime Kuma HTTP (nginx)"
+            ufw_allow 443/tcp "Uptime Kuma HTTPS (nginx)"
+        fi
     fi
     
     echo ""