Nomad changes

docs/snippets/java/advanced/keyword_extraction_example.md

@@ -0,0 +1,30 @@
+```java title="Java"
+import dev.kreuzberg.Kreuzberg;
+import dev.kreuzberg.ExtractionResult;
+import dev.kreuzberg.ExtractionConfig;
+import dev.kreuzberg.KeywordConfig;
+import dev.kreuzberg.KeywordAlgorithm;
+import java.util.List;
+import java.util.Map;
+
+ExtractionConfig config = ExtractionConfig.builder()
+    .keywords(KeywordConfig.builder()
+        .algorithm(KeywordAlgorithm.YAKE)
+        .maxKeywords(10)
+        .minScore(0.3)
+        .build())
+    .build();
+
+ExtractionResult result = Kreuzberg.extractFile("research_paper.pdf", config);
+
+Map<String, Object> metadata = result.getMetadata() != null ? result.getMetadata() : Map.of();
+
+if (metadata.containsKey("keywords")) {
+    List<Map<String, Object>> keywords = (List<Map<String, Object>>) metadata.get("keywords");
+    for (Map<String, Object> kw : keywords) {
+        String text = (String) kw.get("text");
+        Double score = ((Number) kw.get("score")).doubleValue();
+        System.out.println(text + ": " + String.format("%.3f", score));
+    }
+}
+```