fn add_stacks_api_key(&self, request: Request) -> Request {
		match &self.config.hiro_api_key {
			Some(api_key) => {
				RequestBuilder::from_parts(self.http_client.clone(), request)
					.header("x-hiro-api-key", api_key)
					.build()
					.unwrap()
			}
			None => request,
		}
	}
if hiro_api_key is set, add it to the request
romeo/src/stacks_client.rs