Added a 'more tools' section since these seem interesting enough to mention,
but not general/prominent enough to warrant their own section.

Arnout Engelen authored Aug 30, 2018 and Holger Levsen committed Aug 30, 2018

Rather than directly to the project itself. This gives easy
access to the 'resource' links for each project.

Signed-off-by: Holger Levsen <holger@layer-acht.org>

Signed-off-by: Holger Levsen <holger@layer-acht.org>

Signed-off-by: Holger Levsen <holger@layer-acht.org>

Signed-off-by: Holger Levsen <holger@layer-acht.org>

Thanks to Scott Anecito for the suggestion/request:

  https://lists.reproducible-builds.org/pipermail/rb-general/2018-August/001131.html

Signed-off-by: Mattia Rizzolo <mattia@debian.org>

Arnout Engelen authored Aug 22, 2018 and Chris Lamb committed Aug 25, 2018

Briefly describe how buildinfo information is recorded in various ecosystems,
where possible linking to the documentation for those systems themselves.

174 += postgresql/postgresql-common@c32ca637

174 += https://bugs.debian.org/872729 toolchain <gnome-team/gtk2@7deeede4>

Signed-off-by: Holger Levsen <holger@layer-acht.org>