[recipes] Add a README in flatpak/

[Matthias Clasen <matthiasc src gnome org>]

commit 8a79f1bb1c1e2df3bf961de872d9e1850b4c7370
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Mar 17 18:55:05 2017 -0400

    Add a README in flatpak/

 flatpak/README.md |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/flatpak/README.md b/flatpak/README.md
new file mode 100644
index 0000000..3bcfa49
--- /dev/null
+++ b/flatpak/README.md
@@ -0,0 +1,6 @@
+The files in this folder are used to generate Flatpak builds of Recipes.
+
+They are used by the precipes-releases](https://github.com/matthiasclasen/recipes-releases)
+module to generate the Flatpak repository that is hosted at
+
+http://matthiasclasen.github.io/recipes-releases/repo/