Using safe-settings to roll out organisation required workflows

## Prerequisites:

* Is the functionality available in the GitHub UI? If so, please provide a link to information about the feature.

Yes, standard commit functionality.

* Is the functionality available through the GitHub API? If the functionality is available, please provide links to the
API documentation (https://developer.github.com/v3/) as well as the Octokit documentation (https://octokit.github.io/).

Yes, possible to create commits via the API.

* If the functionality is not yet available in the API, it would be helpful if you
contacted support (https://support.github.com/) or posted in the Community Forum (https://github.community/). Please
include a link to the forum post if you create one or a copy of the response from support.

## New Feature

Please describe the desired new functionality:

Can `safe-settings` be used or extended to be able to commit organisation-wide workflows across all repositories?

An example might be, wanting to run a security compliance action that will measure and report back the compliance state of the repository via a GitHub action.