add new option graph

Signed-off-by: Hagen Paul Pfeifer <hagen@jauu.net>
create data directory

Signed-off-by: Hagen Paul Pfeifer <hagen@jauu.net>
generate data files

Signed-off-by: Hagen Paul Pfeifer <hagen@jauu.net>
graph at end

Signed-off-by: Hagen Paul Pfeifer <hagen@jauu.net>