Nomad changes

docs/snippets/csharp/utils/chunking_rag.md

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+```csharp title="C#"
+using Kreuzberg;
+
+var config = new ExtractionConfig
+{
+    Chunking = new ChunkingConfig
+    {
+        MaxCharacters = 500,
+        Overlap = 50,
+        Embedding = new EmbeddingConfig
+        {
+            Model = new EmbeddingModelType.Preset("balanced"),
+            Normalize = true,
+            BatchSize = 16,
+        },
+    },
+};
+
+var result = await KreuzbergLib.ExtractFile("research_paper.pdf", null, config);
+
+var chunksWithEmbeddings = new List<(string Preview, int Dimensions)>();
+foreach (var chunk in result.Chunks ?? new List<Chunk>())
+{
+    if (chunk.Embedding is { Count: > 0 } embedding)
+    {
+        var preview = chunk.Content.Length > 100 ? chunk.Content[..100] : chunk.Content;
+        chunksWithEmbeddings.Add((preview, embedding.Count));
+    }
+}
+
+Console.WriteLine($"Chunks with embeddings: {chunksWithEmbeddings.Count}");
+```