[gnome-mahjongg] Add an advertisement for the Mahjongg Map Tool

[Michael Catanzaro <mcatanzaro src gnome org>]

commit c41c64d3db77462ee710de0eb55e34b9db028f50
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Tue Sep 24 08:50:41 2013 -0500

    Add an advertisement for the Mahjongg Map Tool
    
    https://bugzilla.gnome.org/show_bug.cgi?id=661301

 README |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/README b/README
new file mode 100644
index 0000000..d07b6f4
--- /dev/null
+++ b/README
@@ -0,0 +1,3 @@
+The Mahjongg Map Tool makes it easy to generate new layouts for GNOME Mahjongg.
+
+https://github.com/logicplace/mggmap