Nomad changes

docs/snippets/r/utils/quality_processing_example.md

@@ -0,0 +1,15 @@
+```r title="R"
+library(kreuzberg)
+
+config <- list(enable_quality_processing = TRUE)
+json <- extract_file_sync("scanned_document.pdf", "application/pdf", config)
+result <- jsonlite::fromJSON(json, simplifyVector = FALSE)
+
+cat(sprintf("Content length: %d characters\n", nchar(result$content)))
+if (!is.null(result$quality_score)) {
+  cat(sprintf("Quality score: %.2f\n", result$quality_score))
+  if (result$quality_score < 0.5) {
+    cat("Warning: low quality extraction\n")
+  }
+}
+```