Revert "Remove low-install-count CT scripts and installers (#13570)"

This reverts commit a7a6d5dd17.

install/daemonsync-install.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2021-2026 tteck
+# Author: tteck (tteckster)
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+# Source: https://daemonsync.me/
+
+source /dev/stdin <<<"$FUNCTIONS_FILE_PATH"
+color
+verb_ip6
+catch_errors
+setting_up_container
+network_check
+update_os
+
+msg_info "Installing Dependencies"
+$STD apt install -y g++-multilib
+msg_ok "Installed Dependencies"
+
+msg_info "Installing Daemon Sync Server"
+curl -fsSL "https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/tools/addon/daemonsync_2.2.0.0059_amd64.deb" -o "daemonsync_2.2.0.0059_amd64.deb"
+$STD dpkg -i daemonsync_2.2.0.0059_amd64.deb
+rm -rf daemonsync_2.2.0.0059_amd64.deb
+msg_ok "Installed Daemon Sync Server"
+
+motd_ssh
+customize
+cleanup_lxc