Nomad changes

docs/snippets/elixir/advanced/vector_database_integration.md

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+```elixir title="Elixir"
+config_json = Jason.encode!(%{
+  "chunking" => %{
+    "enabled" => true,
+    "max_characters" => 512,
+    "overlap" => 50
+  },
+  "embeddings" => %{
+    "enabled" => true,
+    "model" => "all-MiniLM-L6-v2"
+  }
+})
+
+{:ok, result} = Kreuzberg.extract_file_sync("document.pdf", "application/pdf", config_json)
+
+# Prepare data for vector database storage
+vector_db_records = result.chunks
+  |> Enum.with_index(1)
+  |> Enum.map(fn {chunk, idx} ->
+    %{
+      "id" => "#{result.document_id}-chunk-#{idx}",
+      "vector" => chunk["embedding"],
+      "metadata" => %{
+        "content" => chunk["content"],
+        "page" => chunk["page"],
+        "document_id" => result.document_id,
+        "chunk_index" => idx
+      }
+    }
+  end)
+
+IO.puts("Generated #{length(vector_db_records)} records for vector database")
+IO.inspect(List.first(vector_db_records), label: "Sample Record")
+
+# Example: Insert into Pinecone-like vector database
+Enum.each(vector_db_records, fn record ->
+  # vector_db_client.upsert(record)
+  IO.puts("Would insert: #{record["id"]}")
+end)
+```