Node starter app: https://www.freecodecamp.org/news/manage-multiple-github-accounts-the-ssh-way-2dadc30ccaca/
Multiple github user management: https://www.freecodecamp.org/news/manage-multiple-github-accounts-the-ssh-way-2dadc30ccaca/
commands: ssh-add -D ssh-add ~/.ssh/id_rsa_work_user1
Circle CI configuration: https://github.com/quotecenter/jmlt-app/blob/master/.circleci/config.yml