Added system log key for creating event from journey engine

Author: pnrgenc

plugins/systemlogs/frontend/public/localization/systemlogs.properties

@@ -76,4 +76,5 @@ systemlogs.action.cb-content_asset-uploaded = Content Builder Asset Uploaded
 systemlogs.action.cb-content_asset-deleted = Content Builder Asset Deleted
 systemlogs.action.cb-content_block-edit = Content Builder Block Edited
 systemlogs.action.cb-content_block-create = Content Builder Block Created
-systemlogs.action.cb-content_block-delete = Content Builder Block Deleted
+systemlogs.action.cb-content_block-delete = Content Builder Block Deleted
+systemlogs.action.journey-engine-event-created = Journey Engine Event Created