Lemonade-Server (#17190)

* Add lemonade-server (ct)

* Enable ARM64 support by default in script

---------

Co-authored-by: push-app-to-main[bot] <203845782+push-app-to-main[bot]@users.noreply.github.com>
Co-authored-by: CanbiZ (MickLesk) <47820557+MickLesk@users.noreply.github.com>

install/lemonade-server-install.sh

@@ -0,0 +1,47 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2021-2026 community-scripts ORG
+# Author: Jamie (jamiej)
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+# Source: https://github.com/lemonade-sdk/lemonade
+
+source /dev/stdin <<<"$FUNCTIONS_FILE_PATH"
+color
+verb_ip6
+catch_errors
+setting_up_container
+network_check
+update_os
+
+setup_deb822_repo \
+  "backports" \
+  "https://ftp-master.debian.org/keys/archive-key-13.asc" \
+  "http://deb.debian.org/debian" \
+  "trixie-backports" \
+  "main"
+
+msg_info "Installing Lemonade Server dependencies"
+$STD apt install -y \
+  fonts-katex \
+  libcpp-httplib0.41 \
+  libmbedcrypto16 \
+  libwebsockets19t64
+msg_ok "Installed Lemonade Server dependencies"
+
+setup_hwaccel
+
+fetch_and_deploy_gh_release "lemonade-server" "lemonade-sdk/lemonade" "binary" "latest" "/tmp" "lemonade-server_*-debian13_$(arch_resolve).deb"
+
+msg_info "Configuring Remote Access"
+systemctl enable -q --now lemond
+for _ in $(seq 1 60); do
+  lemonade status >/dev/null 2>&1 && break
+  sleep 2
+done
+$STD lemonade config set host=0.0.0.0
+systemctl restart lemond
+msg_ok "Configured Remote Access"
+
+motd_ssh
+customize
+cleanup_lxc