Nomad changes

docs/snippets/python/metadata/vector_database_integration.md

@@ -0,0 +1,35 @@
+```python title="Python"
+from kreuzberg import extract_file_sync, ExtractionConfig, ChunkingConfig, EmbeddingConfig
+
+config = ExtractionConfig(
+    chunking=ChunkingConfig(
+        max_characters=512,
+        overlap=50,
+        embedding=EmbeddingConfig(
+            normalize=True,
+            batch_size=32,
+            preset="balanced",
+        ),
+    ),
+)
+
+result = extract_file_sync("document.pdf", config=config)
+
+records: list[dict] = []
+if result.chunks:
+    for index, chunk in enumerate(result.chunks):
+        if chunk.embedding is None:
+            continue
+        records.append({
+            "id": f"document_chunk_{index}",
+            "content": chunk.content,
+            "embedding": chunk.embedding,
+            "metadata": {
+                "document_id": "document.pdf",
+                "chunk_index": index,
+                "content_length": len(chunk.content),
+            },
+        })
+
+print(f"Prepared {len(records)} vector records")
+```