message: Header file addition for stream
diff: @@ -25,6 +25,10 @@ title = "Tutorial for mongocxx"
  #include <mongocxx/stdx.hpp>
  #include <mongocxx/uri.hpp>
  #include <mongocxx/instance.hpp>
  +#include <bsoncxx/builder/stream/helpers.hpp>
  +#include <bsoncxx/builder/stream/document.hpp>
  +#include <bsoncxx/builder/stream/array.hpp>
  +
  using bsoncxx::builder::stream::close_array;
  using bsoncxx::builder::stream::close_document;
  