Add pressure units MeterOfElevation and FootOfElevation (#908)

Author: bplett-wgtcorp

Common/UnitDefinitions/Pressure.json

@@ -206,7 +206,7 @@
           "Abbreviations": [ "psi", "lb/in²" ],
           "AbbreviationsForPrefixes": { "Kilo": "kipf/in²" }
         },
-		{
+        {
           "Culture": "ru-RU",
           "Abbreviations": [ "psi", "lb/in²" ],
           "AbbreviationsForPrefixes": { "Kilo": "kipf/in²" }
@@ -297,7 +297,7 @@
           "Culture": "en-US",
           "Abbreviations": [ "mmHg" ]
         },
-		{
+        {
           "Culture": "ru-RU",
           "Abbreviations": [ "мм рт.ст." ]
         }
@@ -350,6 +350,30 @@
           "Abbreviations": [ "wc" ]
         }
       ]
+    },
+    {
+      "SingularName": "MeterOfElevation",
+      "PluralName": "MetersOfElevation",
+      "FromUnitToBaseFunc": "Math.Pow(1.0 - (x / 44307.69396), 5.2553026003237266401799415610351) * 101325.0",
+      "FromBaseToUnitFunc": "(1.0 - Math.Pow(x / 101325.0, 0.190284)) * 44307.69396",
+      "Localization": [
+        {
+          "Culture": "en-US",
+          "Abbreviations": [ "m of elevation" ]
+        }
+      ]
+    },
+    {
+      "SingularName": "FootOfElevation",
+      "PluralName": "FeetOfElevation",
+      "FromUnitToBaseFunc": "Math.Pow(1.0 - (x / 145366.45), 5.2553026003237266401799415610351) * 101325.0",
+      "FromBaseToUnitFunc": "(1.0 - Math.Pow(x / 101325.0, 0.190284)) * 145366.45",
+      "Localization": [
+        {
+          "Culture": "en-US",
+          "Abbreviations": [ "ft of elevation" ]
+        }
+      ]
     }
   ]
 }

UnitsNet.NumberExtensions.Tests/GeneratedCode/NumberToPressureExtensionsTest.g.cs

@@ -94,6 +94,10 @@ public class PressureTests : PressureTestsBase
 
         protected override double MillipascalsInOnePascal => 1e3;
 
+        protected override double MetersOfElevationInOnePascal => 39364.9129730686;
+
+        protected override double FeetOfElevationInOnePascal => 129149.976945763;
+
         [Fact]
         public void Absolute_WithAbsolutePressureReference_IsEqual()
         {