feat: Add Cleanuparr to arr stack

Add support for Cleanuparr, a tool for automating the cleanup of unwanted
or blocked files in Sonarr, Radarr, and supported download clients.

- Native Linux installation using official binaries
- Runs on port 11011
- Categorized under *Arr Suite
- Standard arr resources: 2 CPU, 1GB RAM, 4GB disk

Signed-off-by: Lucas Zampieri <lzampier@redhat.com>

install/cleanuparr-install.sh

@@ -0,0 +1,62 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2021-2025 community-scripts ORG
+# Author: community-scripts ORG
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+# Source: https://github.com/Cleanuparr/Cleanuparr
+
+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 \
+  unzip
+msg_ok "Installed Dependencies"
+
+msg_info "Installing Cleanuparr"
+RELEASE=$(curl -fsSL https://api.github.com/repos/Cleanuparr/Cleanuparr/releases/latest | grep "tag_name" | awk '{print substr($2, 3, length($2)-4)}')
+mkdir -p /opt/cleanuparr
+cd /opt/cleanuparr
+curl -fsSLO "https://github.com/Cleanuparr/Cleanuparr/releases/download/v${RELEASE}/Cleanuparr-${RELEASE}-linux-amd64.zip"
+unzip -q "Cleanuparr-${RELEASE}-linux-amd64.zip"
+rm -f "Cleanuparr-${RELEASE}-linux-amd64.zip"
+chmod +x /opt/cleanuparr/Cleanuparr
+msg_ok "Installed Cleanuparr"
+
+msg_info "Creating Service"
+cat <<EOF >/etc/systemd/system/cleanuparr.service
+[Unit]
+Description=Cleanuparr Daemon
+After=syslog.target network.target
+
+[Service]
+Type=simple
+User=root
+WorkingDirectory=/opt/cleanuparr
+ExecStart=/opt/cleanuparr/Cleanuparr
+Restart=on-failure
+RestartSec=5
+Environment="PORT=11011"
+Environment="CONFIG_DIR=/opt/cleanuparr/config"
+
+[Install]
+WantedBy=multi-user.target
+EOF
+systemctl enable -q --now cleanuparr
+msg_ok "Created Service"
+
+motd_ssh
+customize
+
+msg_info "Cleaning up"
+$STD apt-get -y autoremove
+$STD apt-get -y autoclean
+msg_ok "Cleaned"