cubicweb #1279544 [diet] split timeline in an individual cube [validation pending]

I'm wondering if having a separate cube for timeline could help (e.g. by giving some more visibility to the feature, making it easier to see all the parts related to timeline, etc.)

prioritynormal
typeenhancement
done in3.21.0
load0.200
load left0.000
closed by#cda1bdc3652e [web] split timeline in an individual cube
patch[web] split timeline in an individual cube [applied]