ntp-metrics-exporter - serve ntpd-rs openmetrics via http

usage: ntp-metrics-exporter [-c PATH]
       ntp-metrics-exporter -h | ntp-metrics-exporter -v

Options:
  -c, --config=CONFIG                  ntpd-rs configuration file (default:
                                       /etc/ntpd-rs/ntp.toml)
  -h, --help                           display this help text
  -v, --version                        display version information