Clone repo, run npm install
When working on an issue:
Create a branch for the issue git checkout -b ctb-[issue number]_description_of_issue
Push branch git push origin ctb-[issue number]_description_of_issue
Submit a pull request on GitHub and tag someone as the code reviewer
Reviewer comments on pull request, saying whether it can be merged or if something should be changed
Go to App Heroku page > Deploy > Manual Deploy > Deploy master branch