feat: return create date while list files

pkg/filesystem/manage.go

@@ -341,6 +341,7 @@ func (fs *FileSystem) listObjects(ctx context.Context, parent string, files []mo
 			Size:       0,
 			Type:       "dir",
 			Date:       subFolder.UpdatedAt,
+			CreateDate: subFolder.CreatedAt,
 		})
 	}
 
@@ -363,6 +364,7 @@ func (fs *FileSystem) listObjects(ctx context.Context, parent string, files []mo
 				Type:          "file",
 				Date:          file.UpdatedAt,
 				SourceEnabled: file.GetPolicy().IsOriginLinkEnable,
+				CreateDate:    file.CreatedAt,
 			}
 			if shareKey != "" {
 				newFile.Key = shareKey

pkg/serializer/explorer.go

@@ -40,6 +40,7 @@ type Object struct {
 	Size          uint64    `json:"size"`
 	Type          string    `json:"type"`
 	Date          time.Time `json:"date"`
+	CreateDate    time.Time `json:"create_date"`
 	Key           string    `json:"key,omitempty"`
 	SourceEnabled bool      `json:"source_enabled"`
 }