Nomad changes

docs/snippets/csharp/utils/token_reduction.md

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+```csharp title="C#"
+using Kreuzberg;
+
+var config = new ExtractionConfig
+{
+    TokenReduction = new TokenReductionOptions
+    {
+        Mode = "moderate",
+        PreserveImportantWords = true,
+    },
+};
+
+var result = await KreuzbergLib.ExtractFile("document.pdf", null, config);
+Console.WriteLine($"Content length: {result.Content.Length}");
+```