Refs: - https://probot.github.io/docs/development/#configuring-a-github-app - https://docs.github.com/en/developers/apps/creating-a-github-app-from-a-manifest#using-probot-to-implement-the-github-app-manifest-flow - https://github.com/probot/create-probot-app/blob/master/templates/git-data-js/app.yml
