UnitSystem inplementation started, Calculation started

UnitSystem/Enums/SystemTypes.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelper.UnitSystem.Enums
+{
+    public enum Force
+    {
+    }
+    public enum Pressure
+    {
+    }
+    public enum Length
+    {
+        M
+    }
+    public enum MultiplyPrefix
+    {
+        m
+    }
+}