[totem] main: Mention keyboard shortcuts shortcut in shortcuts

[Bastien Nocera <hadess src gnome org>]

commit 12b86e422e394f77f557c2e47656a683c4add8d3
Author: Sabri Ünal <libreajans gmail com>
Date:   Thu Feb 17 16:17:53 2022 +0100

    main: Mention keyboard shortcuts shortcut in shortcuts

 data/shortcuts.ui | 6 ++++++
 1 file changed, 6 insertions(+)
---
diff --git a/data/shortcuts.ui b/data/shortcuts.ui
index adaa4e302..151f5a74c 100644
--- a/data/shortcuts.ui
+++ b/data/shortcuts.ui
@@ -15,6 +15,12 @@
             <property name="visible">1</property>
             <property name="title" translatable="yes" context="shortcut window">General</property>
             <child>
+              <object class="GtkShortcutsShortcut" id="show-help-overlay">
+                <property name="visible">1</property>
+                <property name="accelerator">&lt;Primary&gt;question &lt;Primary&gt;H 
&lt;Primary&gt;F1</property>
+                <property name="title" translatable="yes" context="shortcut window">Keyboard 
shortcuts</property>
+              </object>
+            </child>
               <object class="GtkShortcutsShortcut" id="properties">
                 <property name="visible">1</property>
                 <property name="accelerator">&lt;Primary&gt;p</property>