*postfix_exporter-0.1.2 (19 Nov 2019)

  19 Nov 2019;  <manuel@gentoo.org> +files/postfix_exporter.confd,
  +files/postfix_exporter.initd, +files/postfix_exporter.logrotated,
  +files/postfix_exporter.service, +metadata.xml,
  +postfix_exporter-0.1.2.ebuild:
  app-metrics/postfix_exporter: Add ebuild with systemd unit file.