added info about bdd
added info about bdd

wuhuizuo/allure-core,allure-framework/allure1,allure-framework/allure-core,allure-framework/allure-core,wuhuizuo/allure-core,allure-framework/allure1,allure-framework/allure-core,wuhuizuo/allure-core,allure-framework/allure1,wuhuizuo/allure-core,allure-framework/allure-core,allure-framework/allure1