Nomad changes

docs/snippets/csharp/plugins/plugin_extractor.md

@@ -0,0 +1,50 @@
+```csharp title="C#"
+using Kreuzberg;
+
+var extractor = new CustomTextExtractor();
+KreuzbergLib.RegisterDocumentExtractor(extractor);
+
+public class CustomTextExtractor : IDocumentExtractor
+{
+    public string Name => "custom-text-extractor";
+    public string Version => "1.0.0";
+
+    public void Initialize()
+    {
+        Console.WriteLine("Custom text extractor initialized");
+    }
+
+    public void Shutdown()
+    {
+        Console.WriteLine("Custom text extractor shut down");
+    }
+
+    public ExtractionResult ExtractBytes(byte[] content, string mimeType, ExtractionConfig config)
+    {
+        var text = System.Text.Encoding.UTF8.GetString(content);
+
+        return new ExtractionResult
+        {
+            Content = text.ToUpper(),
+            MimeType = mimeType,
+            DetectedLanguages = null
+        };
+    }
+
+    public ExtractionResult ExtractFile(string path, string mimeType, ExtractionConfig config)
+    {
+        var content = System.IO.File.ReadAllBytes(path);
+        return ExtractBytes(content, mimeType, config);
+    }
+
+    public string[] SupportedMimeTypes()
+    {
+        return new[] { "text/plain" };
+    }
+
+    public int Priority()
+    {
+        return 50;
+    }
+}
+```