参考
https://yq.aliyun.com/articles/37071
http://www.pluto-y.com/cocoapods-contribute-for-open-source/
http://www.pluto-y.com/cocoapod-private-pods-and-module-manager/
https://yq.aliyun.com/articles/37071
http://www.pluto-y.com/cocoapods-contribute-for-open-source/
http://www.pluto-y.com/cocoapod-private-pods-and-module-manager/