Nomad changes

docs/snippets/ruby/config/document_structure_config.md

@@ -0,0 +1,15 @@
+```ruby title="Document Structure Config (Ruby)"
+require 'kreuzberg'
+
+config = Kreuzberg::ExtractionConfig.new(include_document_structure: true)
+
+result = Kreuzberg.extract_file_sync('document.pdf', config: config)
+
+if result.document
+  result.document['nodes'].each do |node|
+    node_type = node['content']['node_type']
+    text = node['content']['text'] || ''
+    puts "[#{node_type}] #{text[0...80]}"
+  end
+end
+```