Nomad changes

docs/snippets/ruby/ocr/image_preprocessing.md

@@ -0,0 +1,17 @@
+```ruby title="Ruby"
+require 'kreuzberg'
+
+config = Kreuzberg::ExtractionConfig.new(
+  ocr: Kreuzberg::OcrConfig.new(
+    tesseract_config: Kreuzberg::TesseractConfig.new(
+      preprocessing: Kreuzberg::ImagePreprocessingConfig.new(
+        target_dpi: 300,
+        denoise: true,
+        deskew: true,
+        contrast_enhance: true,
+        binarization_method: 'otsu'
+      )
+    )
+  )
+)
+```