[gnome-software] (2 commits) ...Merge branch 'show-metainfo-docs' into 'main'

From: Milan Crha <mcrha src gnome org>
To: commits-list gnome org
Cc:
Subject: [gnome-software] (2 commits) ...Merge branch 'show-metainfo-docs' into 'main'
Date: Thu, 10 Feb 2022 16:00:38 +0000 (UTC)

Summary of changes:

  8b56501... doc: Add documentation file for app developers
  6e92376... Merge branch 'show-metainfo-docs' into 'main'