Nomad changes

docs/snippets/dart/advanced/embedding_with_chunking.md

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+```dart title="Dart"
+import 'package:kreuzberg/kreuzberg.dart';
+
+Future<void> main() async {
+  final config = ExtractionConfig(
+    useCache: true,
+    enableQualityProcessing: true,
+    forceOcr: false,
+    disableOcr: false,
+    chunking: const ChunkingConfig(
+      maxCharacters: 1024,
+      overlap: 100,
+      trim: true,
+      chunkerType: ChunkerType.text,
+      sizing: ChunkSizing.characters(),
+      prependHeadingContext: false,
+      embedding: EmbeddingConfig(
+        model: EmbeddingModelType.preset(name: 'balanced'),
+        normalize: true,
+        batchSize: 32,
+        showDownloadProgress: false,
+      ),
+    ),
+    resultFormat: ResultFormat.unified,
+    outputFormat: OutputFormat.plain(),
+    includeDocumentStructure: false,
+    maxArchiveDepth: 3,
+    useLayoutForMarkdown: false,
+  );
+
+  final result = await KreuzbergBridge.extractFile('document.pdf', null, config);
+  final chunks = result.chunks ?? const [];
+  print('Chunks with embeddings: ${chunks.length}');
+}
+```