Method create

tests/catch.hpp:14553–14560

ReporterRegistry::~ReporterRegistry() = default;

IStreamingReporterPtr ReporterRegistry::create(std::string const &name,
					       IConfigPtr const &config) const
{
	auto it = m_factories.find(name);
	if (it == m_factories.end())
		return nullptr;
	return it->second->create(ReporterConfig(config));
}

void ReporterRegistry::registerReporter(std::string const &name,
					IReporterFactoryPtr const &factory)