Add pound per foot second (#806)

Co-authored-by: Michael Feliciano <[email protected]>

Author: bigmic

Common/UnitDefinitions/DynamicViscosity.json

@@ -82,6 +82,18 @@
           "Abbreviations": [ "lbf·s/ft²" ]
         }
       ]
+    },
+    {
+      "SingularName": "PoundPerFootSecond",
+      "PluralName": "PoundsPerFootSecond",
+      "FromUnitToBaseFunc": "x * 1.4881639",
+      "FromBaseToUnitFunc": "x / 1.4881639",
+      "Localization": [
+        {
+          "Culture": "en-US",
+          "Abbreviations": [ "lb/ft·s" ]
+        }
+      ]
     }
   ]
 }

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

@@ -14,6 +14,7 @@ public class DynamicViscosityTests : DynamicViscosityTestsBase
         protected override double NewtonSecondsPerMeterSquaredInOneNewtonSecondPerMeterSquared => 1;
         protected override double PascalSecondsInOneNewtonSecondPerMeterSquared => 1;
         protected override double PoiseInOneNewtonSecondPerMeterSquared => 10;
+        protected override double PoundsPerFootSecondInOneNewtonSecondPerMeterSquared => 0.671968994813;
         protected override double ReynsInOneNewtonSecondPerMeterSquared => 1.4503773773020922e-4;
         protected override double PoundsForceSecondPerSquareInchInOneNewtonSecondPerMeterSquared => 1.4503773773020922e-4;
         protected override double PoundsForceSecondPerSquareFootInOneNewtonSecondPerMeterSquared => 2.0885434233150127e-2;