Create a script to apply a change to all repository within an organization

[kelson42]

This is needed for example to:

• apply/remove the #hackoberfest in topics
• share the same coding style documents, etc.

[kelson42]

@abdulwd ping

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be now be reviewed manually. Thank you for your contributions.

[kelson42]

https://github.com/marketplace/actions/file-sync Can partly solve the problem

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be now be reviewed manually. Thank you for your contributions.

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be now be reviewed manually. Thank you for your contributions.