**Acceptance criteria**

* On the project overview, there is a new widget called "Project lifecycle"

* It contains a timeline chart representing the following objects

* Project phase

* Phase Gates

* Each object is linked  Begin of the insertion

* Open: Where to link to?

End of the insertion Begin of the deletion

End of the deletion * It is read-only: The user cannot use drag&drop mechanisms to change the dates.

* _Open: If there are no phases and gates, the widget should be hidden_


**Technical notes**

* _Open: Which library to use for displaying the timeline?_


**Out of scope**

* Editing attributes in the timeline view

* Changes to list of project phases in the sidebar (separate work package)

* Additional permissions to see or edit project phases and milestones

* PDF export (treated separately)