[gnome-documents] app-menu: Add "Keyboard Shortcuts" entry

[Debarshi Ray <debarshir src gnome org>]

commit e2cfa93d0584f691f969c21d929619770f9c5fba
Author: Debarshi Ray <debarshir gnome org>
Date:   Mon Nov 16 15:55:51 2015 +0100

    app-menu: Add "Keyboard Shortcuts" entry
    
    https://bugzilla.gnome.org/show_bug.cgi?id=757539

 data/ui/app-menu.ui |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/data/ui/app-menu.ui b/data/ui/app-menu.ui
index c07ee3f..62c1179 100644
--- a/data/ui/app-menu.ui
+++ b/data/ui/app-menu.ui
@@ -12,6 +12,10 @@
     </section>
     <section>
       <item>
+        <attribute name="action">win.show-help-overlay</attribute>
+        <attribute name="label" translatable="yes">Keyboard Shortcuts</attribute>
+      </item>
+      <item>
         <attribute name="action">app.help</attribute>
         <attribute name="label" translatable="yes">Help</attribute>
       </item>