[gnome-apps-nightly] Add the unstable flatpak for GNOME Contacts

[Niels De Graef <nielsdg src gnome org>]

commit fb10e00ebb7e85ee30381f7d7099ca0362a3c863
Author: Niels De Graef <nielsdegraef gmail com>
Date:   Wed Aug 23 12:00:44 2017 +0200

    Add the unstable flatpak for GNOME Contacts

 org.gnome.Contacts.app |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/org.gnome.Contacts.app b/org.gnome.Contacts.app
new file mode 100644
index 0000000..85476e3
--- /dev/null
+++ b/org.gnome.Contacts.app
@@ -0,0 +1,3 @@
+ID=org.gnome.Contacts
+JSON=data/flatpak/org.gnome.Contacts.json
+GITURL=https://git.gnome.org/browse/gnome-contacts