Daniel P. Berrangé authored Oct 27, 2020 and Paolo Bonzini committed Jan 13, 2021

This enables the site to be hosted at URLs with different base
directories. This is useful when viewing the site after being
published as GitLab CI artifacts.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20201027132015.621733-4-berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>