[content-service] log ready file metrics (#18781)

Author: kylos101

components/content-service/pkg/initializer/initializer.go

@@ -571,6 +571,8 @@ func PlaceWorkspaceReadyFile(ctx context.Context, wspath string, initsrc csapi.W
 		return xerrors.Errorf("cannot rename workspace ready file: %w", err)
 	}
 
+	log.WithField("content", string(fc)).WithField("destination", wspath).Info("ready file metrics")
+
 	return nil
 }