message: Wrap ChangeStreams examples in standard start/end comments
diff: @@ -260,22 +260,27 @@ TEST_CASE("Documentation Examples", "[min36]") {
  collection inventory = events; // doc examples use this name
  SECTION("Example 1") {
  + // Start Changestream Example 1
  change_stream stream = inventory.watch();
  for (auto& event : stream) {
  std::cout << bsoncxx::to_json(event) << std::endl;
  }
  + // End Changestream Example 1
  }
  SECTION("Example 2") {
  + // Start Changestream Example 2
  options::change_stream options;
  options.full_document(bsoncxx::string::view_or_value{"updateLookup"});
  change_stream stream = inventory.watch(options);
  for (auto& event : stream) {
  std::cout << bsoncxx::to_json(event) << std::endl;
  }
  + // End Changestream Example 2
  }
  SECTION("Example 3") {
  + // Start Changestream Example 3
  stdx::optional<bsoncxx::document::view_or_value> resume_token;
  change_stream stream = inventory.watch();
  for (auto& event : stream) {
  @@ -290,6 +295,7 @@ TEST_CASE("Documentation Examples", "[min36]") {
  std::cout << bsoncxx::to_json(event) << std::endl;
  }
  }
  + // End Changestream Example 3
  }
  }
  