**Acceptance criteria**

- Add to work package representer:
- Begin of the insertionhiearchyModeEnabled (whether the hierarchyEnd of the insertion Begin of the deletion verticalWorkPackages (links to work packages that are supposed to be displayed vertically in a timeline). ThoseEnd of the deletion should Begin of the deletion alsoEnd of the deletion be Begin of the insertionshown)End of the insertion Begin of the deletion embedded unless representer is part of a collection.End of the deletion
- foldedWorkPackages (links to work packages that are supposed to be folded in the table and Begin of the insertiontimeline, IF the `hierarchyModeEnabled` is active).End of the insertion Begin of the deletion timeline).End of the deletion
- zoomFactor (attribute that regulates the zoom in a timeline)
- scrollDate (attributes that communicates the date to which a timeline is to be scrolled initially)
- Adapt DB structure to store the information