Nomad changes

docs/snippets/ruby/advanced/chunk_page_mapping.md

@@ -0,0 +1,18 @@
+```ruby title="Ruby"
+require 'kreuzberg'
+
+config = Kreuzberg::ExtractionConfig.new(
+  chunking: Kreuzberg::ChunkingConfig.new(max_characters: 500, overlap: 50),
+)
+
+result = Kreuzberg.extract_file_sync('document.pdf', config: config)
+
+result.chunks&.each do |chunk|
+  first = chunk.metadata.first_page
+  last = chunk.metadata.last_page
+  next if first.nil?
+
+  page_range = first == last ? "Page #{first}" : "Pages #{first}-#{last}"
+  puts "Chunk: #{chunk.content[0..50]}... (#{page_range})"
+end
+```