New Script: Excalidraw (#2285)

* add excalidraw script

* made suggested fixes

* more fixes

* some more fixes

* even more fixes

* fix debian

---------

Co-authored-by: CanbiZ <47820557+MickLesk@users.noreply.github.com>

install/excalidraw-install.sh

@@ -0,0 +1,73 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2021-2025 community-scripts ORG
+# Author: Slaviša Arežina (tremor021)
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+# Source: https://github.com/excalidraw/excalidraw
+
+source /dev/stdin <<< "$FUNCTIONS_FILE_PATH"
+color
+verb_ip6
+catch_errors
+setting_up_container
+network_check
+update_os
+
+msg_info "Installing Dependencies"
+$STD apt-get install -y \
+  curl \
+  sudo \
+  mc \
+  gnupg \
+  xdg-utils
+msg_ok "Installed Dependencies"
+
+msg_info "Setup Node.js Repository"
+mkdir -p /etc/apt/keyrings
+curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg
+echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_22.x nodistro main" >/etc/apt/sources.list.d/nodesource.list
+msg_ok "Setup Node.js Repository"
+
+msg_info "Setup Node.js"
+$STD apt-get update
+$STD apt-get install -y nodejs
+$STD npm install -g yarn
+msg_ok "Setup Node.js"
+
+msg_info "Setup Excalidraw"
+temp_file=$(mktemp)
+RELEASE=$(curl -s https://api.github.com/repos/excalidraw/excalidraw/releases/latest | grep "tag_name" | awk '{print substr($2, 3, length($2)-4) }')
+wget -q "https://github.com/excalidraw/excalidraw/archive/refs/tags/v${RELEASE}.tar.gz" -O $temp_file
+tar xzf $temp_file
+mv excalidraw-${RELEASE} /opt/excalidraw
+cd /opt/excalidraw
+$STD yarn
+echo "${RELEASE}" >/opt/excalidraw_version.txt
+msg_ok "Setup Excalidraw"
+
+msg_info "Creating Service"
+cat <<EOF >/etc/systemd/system/excalidraw.service
+[Unit]
+Description=Excalidraw Service
+After=network.target
+
+[Service]
+Type=simple
+WorkingDirectory=/opt/excalidraw
+ExecStart=/usr/bin/yarn start --host
+Restart=always
+
+[Install]
+WantedBy=multi-user.target
+EOF
+systemctl enable -q --now excalidraw
+msg_ok "Created Service"
+
+motd_ssh
+customize
+
+msg_info "Cleaning up"
+rm -f $temp_file
+$STD apt-get -y autoremove
+$STD apt-get -y autoclean
+msg_ok "Cleaned"