Introducing Import/Export of multipoint deliveries

[AdrienSICKLO]

Right now it is possible to import tasks or deliveries.

Tasks are one line each so it would be possible to create an import of multipoint but they are not attached to any store, so it not creating any deliveries. Deliveries are one single line and do not accept multipoint.

The idea would be to have the possibility to use the tasks import and attach those tasks to make them deliveries. There would be a need to confirm that all tasks belong to the same delivery by adding an extra column.

Same thing for exports.

[AdrienSICKLO]

Also when clicking on the tasks' import, having the possibility to choose the Store to attach those deliveries to, like in the current deliveries import: