Replaced MailAddress by Vector3

Vector3Visualizer/Vector3VisualizerTest/Program.cs

@@ -0,0 +1,6 @@
+
+using System.Numerics;
+
+var vector3  = new Vector3(1,2,3);
+var quaternion = new Quaternion(1,2,3,4);
+return;

Vector3Visualizer/Vector3VisualizerTest/Test.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

Vector3Visualizer/Vector3VisualizerTest/Test.slnx

@@ -0,0 +1,3 @@
+<Solution>
+  <Project Path="Test.csproj" />
+</Solution>