Add specs test scope to README.md
Add specs test scope to README.md

zenlinTechnofreak/oct,liugenping/oct,wking/rkt-oci,hqhq/oct,liugenping/oct,liangchenye/oct,hqhq/oct,ChengTiesheng/oct,wangkirin/oct,Tiesheng/oct,Tiesheng/oct,ChengTiesheng/oct,hustcts/ocp-testing,huawei-openlab/oct,hustcts/ocp-testing