sync docker hub library repo images to registry

TODO:

Usage:

1. fork docker-library/official-images repo to your GitHub account

2. fork this repo https://github.com/muzi502/sync-library-images repo to your GitHub account

3. config Actions secrets on your sync-library-images repo Settings > Secrets, set this Repository secrets:

• REGISTRY_DOMAIN: image registry domain, this domain must with TLS/SSL certificate.
• REGISTRY_USER: registry user which have the push privilege to library repo/project.
• REGISTRY_PASSWORD: registry user password.
• TOKEN_GITHUB: github token for rebase upstream and push new repo tag to yourself repo.