Reposync job

To add new repos, add the repo file to prod.repos.d, the GPG key to gpgkeys and any specific configuration to prod.repos.yaml. This last part is probably not needed.

If you're adding a redhat repo, you probably also need the SSL client certificate.

1. Add the certificate to Teigi: tbag set --hg lxsoft/adm 8a85f983598e8558015993b62b96699e.pem --file 8a85f983598e8558015993b62b96699e.pem
2. List the new certificate in manifests/adm.pp for the lxsoft machines.
3. Make sure your new repo files in prod.repos.yaml list the new certificate.