added comment for timestamp in LTM

source/RobotAPI/libraries/armem/server/ltm/disk/EntitySnapshot.cpp

@@ -19,7 +19,7 @@ namespace armarx::armem::server::ltm::disk
                        / EscapeSegmentName(id.providerSegmentName)
                        / EscapeSegmentName(id.entityName)
                        / std::to_string(id.timestamp.toSecondsSinceEpoch() / 3600 /* hours */)
-                       / std::to_string(id.timestamp.toSecondsSinceEpoch()) / id.timestampStr()),
+                       / std::to_string(id.timestamp.toSecondsSinceEpoch()) /* seconds */ / id.timestampStr()),
         currentMode(mode),
         currentExport(e)
     {