Nomad changes

docs/snippets/ruby/utils/keyword_extraction_example.md

@@ -0,0 +1,18 @@
+```ruby title="Ruby"
+require 'kreuzberg'
+
+config = Kreuzberg::ExtractionConfig.new(
+  keywords: Kreuzberg::KeywordConfig.new(
+    algorithm: Kreuzberg::KeywordAlgorithm::YAKE,
+    max_keywords: 10,
+    min_score: 0.3
+  )
+)
+
+result = Kreuzberg.extract_file_sync('research_paper.pdf', config: config)
+
+keywords = result.extracted_keywords
+keywords.each do |kw|
+  puts "#{kw['text']}: #{kw['score'].round(3)}"
+end
+```