Add operators for ReciprocalLength/-Area (v6) (#1385)

Added additional operators that result in ReciprocalLength (Length/Area,
Area/Volume) and ReciprocalArea (Length/Volume)

(Mirrors functionality of v5 PR #1382)

---------

Co-authored-by: Travis Bement <[email protected]>
Co-authored-by: Andreas Gullberg Larsen <[email protected]>

Author: 3 people

Common/UnitRelations.json

@@ -8,6 +8,7 @@
   "Angle.Radian = RotationalSpeed.RadianPerSecond * Duration.Second",
   "Area.SquareMeter = KinematicViscosity.SquareMeterPerSecond * Duration.Second",
   "Area.SquareMeter = Length.Meter * Length.Meter",
+  "Area.SquareMeter = Volume.CubicMeter * ReciprocalLength.InverseMeter",
   "AreaMomentOfInertia.MeterToTheFourth = Volume.CubicMeter * Length.Meter",
   "double = Density.KilogramPerCubicMeter * SpecificVolume.CubicMeterPerKilogram",
   "double = SpecificEnergy.JoulePerKilogram * BrakeSpecificFuelConsumption.KilogramPerJoule",
@@ -30,7 +31,9 @@
   "ForcePerLength.NewtonPerMeter = Pressure.NewtonPerSquareMeter * Length.Meter",
   "ForcePerLength.NewtonPerMeter = SpecificWeight.NewtonPerCubicMeter * Area.SquareMeter",
   "KinematicViscosity.SquareMeterPerSecond = Length.Meter * Speed.MeterPerSecond",
+  "Length.Meter = Area.SquareMeter * ReciprocalLength.InverseMeter",
   "Length.Meter = Speed.MeterPerSecond * Duration.Second",
+  "Length.Meter = Volume.CubicMeter * ReciprocalArea.InverseSquareMeter",
   "LinearDensity.KilogramPerMeter = Area.SquareMeter * Density.KilogramPerCubicMeter",
   "LuminousIntensity.Candela = Luminance.CandelaPerSquareMeter * Area.SquareMeter",
   "Mass.Gram = AmountOfSubstance.Mole * MolarMass.GramPerMole",