Modify build function source and var_arm64 default

Updated source for build function and changed default value for var_arm64.

ct/headers/newt

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+    _   __             __ 
+   / | / /__ _      __/ /_
+  /  |/ / _ \ | /| / / __/
+ / /|  /  __/ |/ |/ / /_  
+/_/ |_/\___/|__/|__/\__/  
+                          

ct/newt.sh

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+#!/usr/bin/env bash
+source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+# Copyright (c) 2021-2026 community-scripts ORG
+# Author: Arubinu
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+# Source: https://github.com/fosrl/newt
+
+APP="Newt"
+var_tags="${var_tags:-network;tunnel}"
+var_cpu="${var_cpu:-1}"
+var_ram="${var_ram:-256}"
+var_disk="${var_disk:-2}"
+var_os="${var_os:-debian}"
+var_version="${var_version:-13}"
+var_arm64="${var_arm64:-yes}"
+var_unprivileged="${var_unprivileged:-1}"
+
+header_info "$APP"
+variables
+color
+catch_errors
+
+function update_script() {
+  header_info
+  check_container_storage
+  check_container_resources
+
+  if [[ ! -f /etc/newt/newt.env ]]; then
+    msg_error "No ${APP} Installation Found!"
+    exit
+  fi
+
+  if check_for_gh_release "newt" "fosrl/newt"; then
+    msg_info "Stopping Service"
+    systemctl stop newt
+    msg_ok "Stopped Service"
+
+    fetch_and_deploy_gh_release "newt" "fosrl/newt" "singlefile" "latest" "/opt/newt" "newt_linux_$(arch_resolve)"
+    ln -sf /opt/newt/newt /usr/local/bin/newt
+
+    msg_info "Starting Service"
+    systemctl start newt
+    msg_ok "Started Service"
+  fi
+  exit
+}
+
+start
+build_container
+description
+
+msg_ok "Completed Successfully!\n"
+echo -e "${INFO}${YW} Check the site status in your Pangolin dashboard.${CL}"

install/newt-install.sh

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+#!/usr/bin/env bash
+
+# Copyright (c) 2021-2026 community-scripts ORG
+# Author: Arubinu
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+# Source: https://github.com/fosrl/newt
+
+source /dev/stdin <<<"$FUNCTIONS_FILE_PATH"
+color
+verb_ip6
+catch_errors
+setting_up_container
+network_check
+update_os
+
+fetch_and_deploy_gh_release "newt" "fosrl/newt" "singlefile" "latest" "/opt/newt" "newt_linux_$(arch_resolve)"
+ln -sf /opt/newt/newt /usr/local/bin/newt
+
+if [[ -z "${NEWT_ID:-}" ]]; then
+  read -rp "Newt ID (from your Pangolin dashboard): " NEWT_ID
+fi
+if [[ -z "${NEWT_SECRET:-}" ]]; then
+  read -rsp "Newt Secret: " NEWT_SECRET
+  echo
+fi
+if [[ -z "${PANGOLIN_ENDPOINT:-}" ]]; then
+  read -rp "Pangolin endpoint (e.g. https://pangolin.example.com): " PANGOLIN_ENDPOINT
+fi
+
+if [[ -z "$NEWT_ID" || -z "$NEWT_SECRET" || -z "$PANGOLIN_ENDPOINT" ]]; then
+  msg_error "Newt ID, Secret and Endpoint are all required. Aborting."
+  exit 1
+fi
+
+msg_info "Configuring Newt"
+mkdir -p /etc/newt
+cat <<EOF >/etc/newt/newt.env
+NEWT_ID=${NEWT_ID}
+NEWT_SECRET=${NEWT_SECRET}
+PANGOLIN_ENDPOINT=${PANGOLIN_ENDPOINT}
+EOF
+chmod 600 /etc/newt/newt.env
+msg_ok "Configured Newt"
+
+msg_info "Creating Service"
+cat <<EOF >/etc/systemd/system/newt.service
+[Unit]
+Description=Newt (Pangolin tunnel client)
+Wants=network-online.target
+After=network-online.target
+
+[Service]
+Type=simple
+EnvironmentFile=/etc/newt/newt.env
+ExecStart=/usr/local/bin/newt
+Restart=always
+RestartSec=2
+UMask=0077
+PrivateTmp=true
+
+[Install]
+WantedBy=multi-user.target
+EOF
+systemctl enable -q --now newt
+msg_ok "Created Service"
+
+motd_ssh
+customize
+cleanup_lxc