chore: initial commit

Signed-off-by: Alan Brault <alan.brault@visus.io>

tests/MapperSourceGen.SourceGenerator.Tests/ModuleInitializer.cs

@@ -0,0 +1,18 @@
+namespace MapperSourceGen.SourceGenerator.Tests;
+
+using System.Runtime.CompilerServices;
+using VerifyTests.DiffPlex;
+
+public static class ModuleInitializer
+{
+    #pragma warning disable CA2255
+    [ModuleInitializer]
+    #pragma warning restore CA2255
+    public static void Initialize()
+    {
+        DerivePathInfo((file, _, type, method) => new PathInfo(Path.Combine(Path.GetDirectoryName(file)!, "ref"), type.Name, method.Name));
+
+        VerifySourceGenerators.Initialize();
+        VerifyDiffPlex.Initialize(OutputType.Compact);
+    }
+}