Add Fenrus installation script and container script

Added a new shell script for installing the Fenrus application in `install/fenrus-install.sh`, and a new shell script for containerization in `ct/fenrus.sh`. These scripts automate the process of installing and running the Fenrus application, including dependency installation, ASP.NET Core 7 SDK installation, app building and service creation.

install/fenrus-install.sh

@@ -0,0 +1,72 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2021-2024 tteck
+# Author: tteck (tteckster)
+# Co-Author: Scorpoon
+# License: MIT
+# https://github.com/tteck/Proxmox/raw/main/LICENSE
+# Source: https://github.com/revenz/Fenrus
+
+
+
+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 curl
+$STD apt install -y git
+msg_ok "Installed Dependencies"
+
+msg_info "Installing ASP.NET Core 7 SDK"
+var_os=$(grep "^ID=" /etc/os-release | cut -d'=' -f2 | tr -d '"')
+var_version=$(grep "^VERSION_ID=" /etc/os-release | cut -d'=' -f2 | tr -d '"')
+if [ "${var_os}" = "debian" ]; then
+  wget -q "https://packages.microsoft.com/config/debian/$var_version/packages-microsoft-prod.deb"
+  $STD dpkg -i packages-microsoft-prod.deb
+  rm packages-microsoft-prod.deb
+fi
+$STD apt-get update
+$STD apt-get install -y dotnet-sdk-7.0
+msg_ok "Installed ASP.NET Core 7 SDK"
+
+msg_info "Installing ${APPLICATION}"
+git clone https://github.com/revenz/Fenrus.git
+cd Fenrus || exit
+export DOTNET_CLI_TELEMETRY_OPTOUT=1
+dotnet publish -c Release -o "/opt/${APPLICATION}/" Fenrus.csproj
+gitVersionNumber=$(git rev-parse HEAD)
+echo "$gitVersionNumber" >"/opt/${APPLICATION}_version.txt"
+cp -r Apps/ "/opt/${APPLICATION}/"
+cd ..
+rm -r Fenrus/
+msg_ok "Installed ${APPLICATION}"
+
+msg_info "Creating Service"
+cat <<EOF >/etc/systemd/system/"${APPLICATION}".service
+[Unit]
+Description=${APPLICATION}
+
+[Service]
+WorkingDirectory=/opt/${APPLICATION}
+ExecStart=/usr/bin/dotnet Fenrus.dll --urls=http://*:5000
+SyslogIdentifier=${APPLICATION}
+User=root
+
+[Install]
+WantedBy=multi-user.target
+EOF
+$STD systemctl enable -q --now ${APPLICATION}
+msg_ok "Created Service"
+
+motd_ssh
+customize
+
+msg_info "Cleaning up"
+$STD apt-get -y autoremove
+$STD apt-get -y autoclean
+msg_ok "Cleaned"