develop GitHub configuration reference

[davgordo]

Documentation of GitHub configuration

• Oauth apps
• Permissions

[christophe-f]

Need to follow these steps from the : Backstage Documentation

The CLI command will set up everything but some permissions are missing. Make sure you have the following permissions to the GitHubApp created by the CLI:

You need Read and Write access for:

• Actions
• Administration
• Contents

You need Read Only access for:

• Metadata
• Members

[marshallpowell]

Add instructions to the README on the Assemble platform config.

[marshallpowell]

@oladapooloyede is this something you have already completed for the Assemble GitHub discovery? If so should we close this task?