Nomad changes

docs/snippets/r/ocr/ocr_elements.md

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+```r title="R"
+library(kreuzberg)
+
+# Enable structured OCR elements alongside text extraction
+config <- list(
+  ocr = list(
+    backend = "paddleocr",
+    language = "en",
+    element_config = list(include_elements = TRUE)
+  )
+)
+
+json <- extract_file_sync("scanned.pdf", "application/pdf", config)
+result <- jsonlite::fromJSON(json, simplifyVector = FALSE)
+
+if (!is.null(result$ocr_elements)) {
+  for (element in result$ocr_elements) {
+    cat(sprintf("Text: %s\n", element$text))
+    cat(sprintf("Confidence: %.2f\n", element$confidence$recognition))
+    cat("\n")
+  }
+}
+```