[InterNetNews/inn] be310f: ovsqlite.conf: Clarify what to do during makehistory

[Julien ÉLIE]

  Branch: refs/heads/main
  Home:   https://github.com/InterNetNews/inn
  Commit: be310fdc5682cc5f618de997e310a4164ee05099
      https://github.com/InterNetNews/inn/commit/be310fdc5682cc5f618de997e310a4164ee05099
  Author: Julien ÉLIE <Julien-Elie at users.noreply.github.com>
  Date:   2022-07-08 (Fri, 08 Jul 2022)

  Changed paths:
    M doc/pod/ovsqlite.pod
    M samples/ovsqlite.conf

  Log Message:
  -----------
  ovsqlite.conf: Clarify what to do during makehistory

Give indications about the conditions and by what factor to increase parameters
during an overview rebuild.