add GWN Manager script

ct/gwn-manager.sh

@@ -0,0 +1,42 @@
+#!/usr/bin/env bash
+source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVED/main/misc/build.func)
+# Copyright (c) 2021-2026 community-scripts ORG
+# Author: Slaviša Arežina (tremor021)
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+# Source: https://www.grandstream.com/products/networking-solutions/wi-fi-management/product/gwn-manager
+
+APP="GWN Manager"
+var_tags="${var_tags:-network;management}"
+var_cpu="${var_cpu:-2}"
+var_ram="${var_ram:-6144}"
+var_disk="${var_disk:-8}"
+var_os="${var_os:-debian}"
+var_version="${var_version:-13}"
+var_unprivileged="${var_unprivileged:-1}"
+
+header_info "$APP"
+variables
+color
+catch_errors
+
+function update_script() {
+  header_info
+  check_container_storage
+  check_container_resources
+  if [[ ! -d /gwn ]]; then
+    msg_error "No ${APP} Installation Found!"
+    exit
+  fi
+
+  msg_info "Application is updated via the web interface!"
+  exit
+}
+
+start
+build_container
+description
+
+msg_ok "Completed successfully!\n"
+echo -e "${CREATING}${GN}${APP} setup has been successfully initialized!${CL}"
+echo -e "${INFO}${YW} Access it using the following URL:${CL}"
+echo -e "${TAB}${GATEWAY}${BGN}https://${IP}:8443${CL}"