ba20987ae7
this adds the ability to add port numbers in the backup repo spec as well as remotes, so that user that are behind a NAT/Firewall/Reverse proxy can still use it also adds some explanation and examples to the docs to make it clearer for h2 client i left the localhost:8007 part, since it is not configurable where we bind to Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>