[gnome-2048] Add app.new-game shortcut.

[Arnaud Bonatti <arnaudb src gnome org>]

commit cfb3c8f8a5454d12febb01d1b17588e855cadb05
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Wed Aug 17 21:41:29 2016 +0200

    Add app.new-game shortcut.

 data/menus.ui |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/data/menus.ui b/data/menus.ui
index e2ae059..6bba43b 100644
--- a/data/menus.ui
+++ b/data/menus.ui
@@ -5,6 +5,7 @@
       <item>
         <attribute name="label" translatable="yes">New Game</attribute>
         <attribute name="action">app.new-game</attribute>
+        <attribute name="accel">&lt;Primary&gt;n</attribute>
       </item>
       <item>
         <attribute name="label" translatable="yes">Scores</attribute>