Nomad changes

docs/snippets/r/plugins/word_count_processor.md

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+<!-- snippet:syntax-only -->
+
+```r title="R"
+library(kreuzberg)
+
+word_count_processor <- function(result) {
+  word_count <- length(strsplit(result$content, "\\s+")[[1]])
+
+  result$metadata <- c(result$metadata, list(word_count = word_count))
+  return(result)
+}
+
+register_post_processor("word_count", word_count_processor)
+
+config <- list(postprocessor = list(enabled = TRUE))
+json <- extract_file_sync("document.pdf", "application/pdf", config)
+result <- jsonlite::fromJSON(json, simplifyVector = FALSE)
+
+cat(sprintf("Word count: %d\n", result$metadata$word_count))
+```