Add new LXC: Vikunja (#80)

* Add new LXC: Vikunja

* Apply suggestions from code review

Co-authored-by: Håvard Gjøby Thom <34199185+havardthom@users.noreply.github.com>

* Update vikunja.sh

Signed-off-by: CanbiZ <47820557+MickLesk@users.noreply.github.com>

* Update vikunja.sh

Signed-off-by: CanbiZ <47820557+MickLesk@users.noreply.github.com>

* Update vikunja-install.sh

Signed-off-by: CanbiZ <47820557+MickLesk@users.noreply.github.com>

* Spelling

Signed-off-by: CanbiZ <47820557+MickLesk@users.noreply.github.com>

---------

Signed-off-by: CanbiZ <47820557+MickLesk@users.noreply.github.com>
Co-authored-by: Håvard Gjøby Thom <34199185+havardthom@users.noreply.github.com>

install/vikunja-install.sh

@@ -0,0 +1,41 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2021-2024 community-scripts ORG
+# Author: MickLesk (Canbiz)
+# License: MIT
+# https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+
+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 \
+  make \
+  mc
+msg_ok "Installed Dependencies"
+
+msg_info "Setup Vikunja (Patience)"
+cd /opt
+RELEASE=$(curl -s https://dl.vikunja.io/vikunja/ | grep -oP 'href="/vikunja/\K[0-9]+\.[0-9]+\.[0-9]+' | sort -V | tail -n 1)
+wget -q "https://dl.vikunja.io/vikunja/$RELEASE/vikunja-$RELEASE-amd64.deb"
+$STD dpkg -i vikunja-$RELEASE-amd64.deb
+sudo sed -i 's/^  timezone: .*/  timezone: UTC/' /etc/vikunja/config.yml
+systemctl start vikunja.service
+echo "${RELEASE}" >/opt/${APPLICATION}_version.txt
+msg_ok "Installed Vikunja"
+
+motd_ssh
+customize
+
+msg_info "Cleaning up"
+rm -rf /opt/vikunja-$RELEASE-amd64.deb
+$STD apt-get autoremove
+$STD apt-get autoclean
+msg_ok "Cleaned"