[devhelp] flatpak: add TODO with link to bugzilla

[Sébastien Wilmet <swilmet src gnome org>]

commit 595e16d506897bc008d6e70991af5575e9abe9fb
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Thu Jan 11 10:17:39 2018 +0100

    flatpak: add TODO with link to bugzilla

 flatpak/README |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/flatpak/README b/flatpak/README
index a8d8dce..00e80cd 100644
--- a/flatpak/README
+++ b/flatpak/README
@@ -2,3 +2,6 @@ Flatpak for Devhelp
 ===================
 
 Scripts are provided to test easily the Flatpak manifest.
+
+TODO:
+https://bugzilla.gnome.org/show_bug.cgi?id=792068