message: Include MaintenanceFacility in structureTypeToClass table
diff: @@ -32,6 +32,7 @@ constexpr Structure::StructureClass structureTypeToClass() {
  else if constexpr (std::is_same_v<StructureType, FusionReactor>) { return Structure::StructureClass::EnergyProduction; }
  else if constexpr (std::is_same_v<StructureType, HotLaboratory>) { return Structure::StructureClass::Laboratory; }
  else if constexpr (std::is_same_v<StructureType, Laboratory>) { return Structure::StructureClass::Laboratory; }
  + else if constexpr (std::is_same_v<StructureType, MaintenanceFacility>) { return Structure::StructureClass::Maintenance; }
  else if constexpr (std::is_same_v<StructureType, MedicalCenter>) { return Structure::StructureClass::MedicalCenter; }
  else if constexpr (std::is_same_v<StructureType, MineFacility>) { return Structure::StructureClass::Mine; }
  else if constexpr (std::is_same_v<StructureType, MineShaft>) { return Structure::StructureClass::Undefined; }
  