Make the following directories
data to keep the data necessary for the project
database to keep the secondary, modified dataset and objects
handmade to keep reports and dataset modified by hand or not make by the automatic stream
logs to keep logs of the automatic stream
reports to keep the automatic reports
The data, handmade are not clean. The rest are clean as they
should be reproduced by the automatic stream. Do not forget to include them
in .gitignore if you use git