added Try extensions generator

Railway.SourceGenerator/ExtensionsMethodGenerator.cs

@@ -0,0 +1,31 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.Immutable;
+using System.Linq;
+using System.Text;
+using Microsoft.CodeAnalysis;
+
+namespace Just.Railway.SourceGen;
+
+[Generator]
+public class ExtensionsMethodGenerator : IIncrementalGenerator
+{
+    private readonly IEnumerable<IGeneratorExecutor> _executors = new IGeneratorExecutor[]
+    {
+        new ResultCombineExecutor(),
+        new ResultMatchExecutor(),
+        new ResultMapExecutor(),
+        new ResultBindExecutor(),
+        new ResultTapExecutor(),
+        new ResultAppendExecutor(),
+        new TryExtensionsExecutor(),
+    };
+
+    public void Initialize(IncrementalGeneratorInitializationContext context)
+    {
+        foreach (var executor in _executors)
+        {
+            context.RegisterSourceOutput(context.CompilationProvider, executor.Execute);
+        }
+    }
+}