Feature: manual workflow trigger (#14704)

src/documents/models.py

@@ -1532,6 +1532,7 @@ class WorkflowTrigger(models.Model):
         DOCUMENT_ADDED = 2, _("Document Added")
         DOCUMENT_UPDATED = 3, _("Document Updated")
         SCHEDULED = 4, _("Scheduled")
+        MANUAL = 5, _("Manual")
 
     class DocumentSourceChoices(models.IntegerChoices):
         CONSUME_FOLDER = DocumentSource.ConsumeFolder.value, _("Consume Folder")