Merged in feature/doc_import (pull request #177)

integration of background processor

* integration part 1

* feature working

* fix mimetype issue

api/queryAPI/query_test.go

@@ -7,6 +7,7 @@ import (
 	"testing"
 	"time"
 
+	"queryorchestration/internal/backgroundtask"
 	"queryorchestration/internal/client"
 	"queryorchestration/internal/collector"
 	"queryorchestration/internal/database/repository"
@@ -152,6 +153,10 @@ type ControllerConfig struct {
 	objectstore.ObjectStoreConfig
 }
 
+func (c *ControllerConfig) GetBackgroundRunner() *backgroundtask.Runner {
+	return nil // Test config returns nil
+}
+
 func createControllerServices(cfg *ControllerConfig) *queryapi.Services {
 	docsvc := document.New(cfg)
 	col := collector.New(cfg)