docs: Add a blurb on the summary file
authorColin Walters <walters@verbum.org>
Sat, 27 Feb 2016 16:28:33 +0000 (11:28 -0500)
committerColin Walters <walters@verbum.org>
Sat, 27 Feb 2016 16:28:54 +0000 (11:28 -0500)
commit96d12b3f68216c006465930a7cc9f4faba3d13a0
tree3efede265c67efac1736d20b6d4b74912675cec0
parent3d7098bc5e451d9c76813168b2c5eef5647b16de
docs: Add a blurb on the summary file

We expect people to use it now, so let's actually describe what it is.
docs/manual/repo.md