cubicweb-fresh #2953926 attach files to expenses [validation pending]

For example scans of invoices. Make sure the files are stored on the filesystem and not in the db, or the dumps will take ages.

priorityimportant
typeenhancement
done in0.6.0
load0.500
load left0.000
closed by#7cb27796579d attach files to expenses (closes #2953926)
patchattach files to expenses (closes #2953926) [applied]