XXX create *.demo
XXX describe format
# Title of the demo displayed by the demo function
# Comment of demo step 1 displayed when executing the demo
echo first command
echo demo step includes all commands ...
echo ...up to the next comment
# Comment of demo step 2 displayed when executing the demo
echo more commands
echo even more commands
--
XXX describe prep.sh (prepares demo environment)
XXX describe user-data.txt (creates VM using hcloud)
XXX describe prepare.sh (prepares single demo)
XXX describe cleanup.sh (cleans up after single demo)