Nomad changes

docs/snippets/csharp/utils/vector_database_integration.md

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+```csharp title="C#"
+using Kreuzberg;
+
+var config = new ExtractionConfig
+{
+    Chunking = new ChunkingConfig
+    {
+        MaxCharacters = 512,
+        Overlap = 50,
+        Embedding = new EmbeddingConfig
+        {
+            Model = new EmbeddingModelType.Preset("balanced"),
+            Normalize = true,
+        },
+    },
+};
+
+var result = await KreuzbergLib.ExtractFile("document.pdf", null, config);
+
+var chunks = result.Chunks ?? new List<Chunk>();
+for (var i = 0; i < chunks.Count; i++)
+{
+    var chunkId = $"doc_chunk_{i}";
+    var preview = chunks[i].Content.Length > 50
+        ? chunks[i].Content[..50]
+        : chunks[i].Content;
+    Console.WriteLine($"Chunk {chunkId}: {preview}");
+}
+```