* link1 : https://libraries.io/github/travis-ci/dpl#npm
* link2 : https://stackoverflow.com/questions/27467861/no-api-key-after-npm-login-for-travis
* link3 : https://docs.travis-ci.com/user/deployment/npm/
* link4 : https://caveofcode.com/2017/05/publish-an-angular-app-to-github-pages/
MIT - 2017