old_contents: exports.sprintly_api_root = 'https://sprint.ly';
  exports.redirect_uri = 'https://sprintly-manifold.herokuapp.com/login'
  
new_contents: exports.sprintly_api_root = 'https://sprint.ly';
  exports.redirect_uri = process.env.REDIRECT_URI || 'https://sprintly-manifold.herokuapp.com/login'
  
subject: allow for configurable redirect_uri in production