Nomad changes

docs/snippets/ruby/config/pdf_hierarchy_config.md

@@ -0,0 +1,29 @@
+```ruby title="Ruby"
+require 'kreuzberg'
+
+# Using keyword arguments with defaults
+config = Kreuzberg::ExtractionConfig.new(
+  pdf_options: Kreuzberg::PdfConfig.new(
+    extract_images: true,
+    hierarchy: Kreuzberg::HierarchyConfig.new(
+      enabled: true,
+      k_clusters: 6,
+      include_bbox: true,
+      ocr_coverage_threshold: 0.8
+    )
+  )
+)
+
+# Using hash syntax alternative
+config = Kreuzberg::ExtractionConfig.new(
+  pdf_options: Kreuzberg::PdfConfig.new(
+    extract_images: true,
+    hierarchy: {
+      enabled: true,
+      k_clusters: 6,
+      include_bbox: true,
+      ocr_coverage_threshold: 0.8
+    }
+  )
+)
+```