Nomad changes

docs/snippets/elixir/utils/embedding_with_chunking.md

@@ -0,0 +1,21 @@
+<!-- snippet:syntax-only -->
+
+```elixir
+config_json =
+  Jason.encode!(%{
+    "chunking" => %{
+      "max_characters" => 1024,
+      "overlap" => 100,
+      "embedding" => %{
+        "model" => %{"preset" => %{"name" => "balanced"}},
+        "normalize" => true,
+        "batch_size" => 32,
+        "show_download_progress" => false
+      }
+    }
+  })
+
+{:ok, json} = Kreuzberg.extract_file_async("document.pdf", nil, config_json)
+result = Jason.decode!(json)
+IO.puts("chunks: #{length(result["chunks"] || [])}")
+```