Write data about workers activity

https://notes.teklia.com/DvNY0E9nRCGst1WnpwVtAQ?view

• Create the WorkerActivity model
• Bulk insert from elements selection when starting a workflow
• Patch for workers to update their activity on elements

added 1 deleted label

mentioned in merge request !1177 (merged)

marked the checklist item Create the WorkerActivity model as completed

marked the checklist item Bulk insert from elements selection when starting a workflow as completed

marked the checklist item Patch for workers to update their activity on elements as completed

added 1 deleted label and removed 1 deleted label

mentioned in merge request !1196 (merged)

mentioned in merge request !1197 (merged)

mentioned in merge request !1206 (merged)

closed

mentioned in commit 8eb966ae