mkosi-template for Davical

• Run sudo mkosi in this folder
• Symlink the nspawn-config to its right place - sudo ln -s /var/lib/machines/davical.nspawn /etc/systemd/nspawn/
• Copy in the config-sample, using the same rights. sudo cp -a etc/davical /etc/ && sudo mv /etc/davical/config/config.sample /etc/davical/config/config.php
• Edit the config to your liking
• Start the machine using sudo machinectl start davical.
• Point your reverse proxy to port 8301, and set up Basic Auth.