Hook up the refresh stuff on ws for bulk operations

src-ui/src/app/data/bulk-operation.ts

@@ -1,4 +1,13 @@
+import { PaperlessTaskStatus } from './paperless-task'
+
 export interface BulkOperationResponse {
   result: string
   task_id: string
 }
+
+export interface BulkOperationStatus {
+  task_id: string
+  operation: string
+  status: PaperlessTaskStatus
+  error?: string
+}