Nomad changes

docs/snippets/python/config/keyword_extraction_config.md

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+```python title="Python"
+import asyncio
+from kreuzberg import (
+    ExtractionConfig,
+    KeywordConfig,
+    KeywordAlgorithm,
+    extract_file,
+)
+
+async def main() -> None:
+    config: ExtractionConfig = ExtractionConfig(
+        keywords=KeywordConfig(
+            algorithm=KeywordAlgorithm.YAKE,
+            max_keywords=10,
+            min_score=0.3,
+            ngram_range=(1, 3),
+            language="en"
+        )
+    )
+    result = await extract_file("document.pdf", config=config)
+    print(f"Content extracted: {len(result.content)} chars")
+
+asyncio.run(main())
+```