This code has been moved to: https://github.com/zapier/zapier-platform/tree/master/example-apps/oauth1-trello
Requires CLI 7.5.0 and above! A barebones app that has OAuth1 setup, using Trello for example.
We recommend using the zapier-platform-cli and
zapier init . --template=oauth1-trello
to create an app.