Nomad changes

docs/snippets/ruby/plugins/list_plugins.md

@@ -0,0 +1,11 @@
+```ruby title="Ruby"
+require 'kreuzberg'
+
+processors = Kreuzberg.list_post_processors
+validators = Kreuzberg.list_validators
+backends = Kreuzberg.list_ocr_backends
+
+puts "Post-processors: #{processors.inspect}"
+puts "Validators: #{validators.inspect}"
+puts "OCR backends: #{backends.inspect}"
+```