message: Show power requirement of structures
diff: @@ -142,6 +142,9 @@ void StructureInspector::update()
  auto position = mRect.startPoint() + NAS2D::Vector{ 5, 25 };
  drawLabelAndValue(position,"Type: ", mStructureClass);
  + position.y += 20;
  + drawLabelAndValue(position, "Power Required: ", std::to_string(mStructure->energyRequirement()));
  +
  position = mRect.startPoint() + NAS2D::Vector{190, 25};
  drawLabelAndValue(position,"State: ", structureStateDescription(mStructure->state()));
  