Nomad changes

docs/snippets/python/advanced/chunk_page_mapping.md

@@ -0,0 +1,18 @@
+```python title="Python"
+from kreuzberg import extract_file_sync, ExtractionConfig, ChunkingConfig
+
+config = ExtractionConfig(
+    chunking=ChunkingConfig(max_characters=500, overlap=50),
+)
+
+result = extract_file_sync("document.pdf", config=config)
+
+if result.chunks:
+    for chunk in result.chunks:
+        first = chunk.metadata.first_page
+        last = chunk.metadata.last_page
+        if first is None:
+            continue
+        page_range = f"Page {first}" if first == last else f"Pages {first}-{last}"
+        print(f"Chunk: {chunk.content[:50]}... ({page_range})")
+```